20565013600

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{811}}^1\times {\mathrm{1093}}^1$

素因数の和:1953

約数の個数: 144

約数和(自身を含む): 52047137520

約数和(自身を除く): 31482123920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 160, 200, 232, 290, 400, 464, 580, 725, 800, 811, 928, 1093, 1160, 1450, 1622, 2186, 2320, 2900, 3244, 4055, 4372, 4640, 5465, 5800, 6488, 8110, 8744, 10930, 11600, 12976, 16220, 17488, 20275, 21860, 23200, 23519, 25952, 27325, 31697, 32440, 34976, 40550, 43720, 47038, 54650, 63394, 64880, 81100, 87440, 94076, 109300, 117595, 126788, 129760, 158485, 162200, 174880, 188152, 218600, 235190, 253576, 316970, 324400, 376304, 437200, 470380, 507152, 587975, 633940, 648800, 752608, 792425, 874400, 886423, 940760, 1014304, 1175950, 1267880, 1584850, 1772846, 1881520, 2351900, 2535760, 3169700, 3545692, 3763040, 4432115, 4703800, 5071520, 6339400, 7091384, 8864230, 9407600, 12678800, 14182768, 17728460, 18815200, 22160575, 25357600, 25706267, 28365536, 35456920, 44321150, 51412534, 70913840, 88642300, 102825068, 128531335, 141827680, 177284600, 205650136, 257062670, 354569200, 411300272, 514125340, 642656675, 709138400, 822600544, 1028250680, 1285313350, 2056501360, 2570626700, 4113002720, 5141253400, 10282506800, 20565013600]

約数ペア:

[(1, 20565013600), (2, 10282506800), (4, 5141253400), (5, 4113002720), (8, 2570626700), (10, 2056501360), (16, 1285313350), (20, 1028250680), (25, 822600544), (29, 709138400), (32, 642656675), (40, 514125340), (50, 411300272), (58, 354569200), (80, 257062670), (100, 205650136), (116, 177284600), (145, 141827680), (160, 128531335), (200, 102825068), (232, 88642300), (290, 70913840), (400, 51412534), (464, 44321150), (580, 35456920), (725, 28365536), (800, 25706267), (811, 25357600), (928, 22160575), (1093, 18815200), (1160, 17728460), (1450, 14182768), (1622, 12678800), (2186, 9407600), (2320, 8864230), (2900, 7091384), (3244, 6339400), (4055, 5071520), (4372, 4703800), (4640, 4432115), (5465, 3763040), (5800, 3545692), (6488, 3169700), (8110, 2535760), (8744, 2351900), (10930, 1881520), (11600, 1772846), (12976, 1584850), (16220, 1267880), (17488, 1175950), (20275, 1014304), (21860, 940760), (23200, 886423), (23519, 874400), (25952, 792425), (27325, 752608), (31697, 648800), (32440, 633940), (34976, 587975), (40550, 507152), (43720, 470380), (47038, 437200), (54650, 376304), (63394, 324400), (64880, 316970), (81100, 253576), (87440, 235190), (94076, 218600), (109300, 188152), (117595, 174880), (126788, 162200), (129760, 158485)]