22718800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 62480376

約数和(自身を除く): 39761576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 257, 260, 272, 325, 340, 400, 425, 442, 514, 520, 650, 680, 850, 884, 1028, 1040, 1105, 1285, 1300, 1360, 1700, 1768, 2056, 2210, 2570, 2600, 3341, 3400, 3536, 4112, 4369, 4420, 5140, 5200, 5525, 6425, 6682, 6800, 8738, 8840, 10280, 11050, 12850, 13364, 16705, 17476, 17680, 20560, 21845, 22100, 25700, 26728, 33410, 34952, 43690, 44200, 51400, 53456, 56797, 66820, 69904, 83525, 87380, 88400, 102800, 109225, 113594, 133640, 167050, 174760, 218450, 227188, 267280, 283985, 334100, 349520, 436900, 454376, 567970, 668200, 873800, 908752, 1135940, 1336400, 1419925, 1747600, 2271880, 2839850, 4543760, 5679700, 11359400, 22718800]

約数ペア:

[(1, 22718800), (2, 11359400), (4, 5679700), (5, 4543760), (8, 2839850), (10, 2271880), (13, 1747600), (16, 1419925), (17, 1336400), (20, 1135940), (25, 908752), (26, 873800), (34, 668200), (40, 567970), (50, 454376), (52, 436900), (65, 349520), (68, 334100), (80, 283985), (85, 267280), (100, 227188), (104, 218450), (130, 174760), (136, 167050), (170, 133640), (200, 113594), (208, 109225), (221, 102800), (257, 88400), (260, 87380), (272, 83525), (325, 69904), (340, 66820), (400, 56797), (425, 53456), (442, 51400), (514, 44200), (520, 43690), (650, 34952), (680, 33410), (850, 26728), (884, 25700), (1028, 22100), (1040, 21845), (1105, 20560), (1285, 17680), (1300, 17476), (1360, 16705), (1700, 13364), (1768, 12850), (2056, 11050), (2210, 10280), (2570, 8840), (2600, 8738), (3341, 6800), (3400, 6682), (3536, 6425), (4112, 5525), (4369, 5200), (4420, 5140)]