20969720800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{4517}}^1$

素因数の和:5373

約数の個数: 144

約数和(自身を含む): 58589062560

約数和(自身を除く): 37619341760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 829, 1120, 1400, 1658, 2800, 3316, 4145, 4517, 5600, 5803, 6632, 8290, 9034, 11606, 13264, 16580, 18068, 20725, 22585, 23212, 26528, 29015, 31619, 33160, 36136, 41450, 45170, 46424, 58030, 63238, 66320, 72272, 82900, 90340, 92848, 112925, 116060, 126476, 132640, 144544, 145075, 158095, 165800, 180680, 185696, 225850, 232120, 252952, 290150, 316190, 331600, 361360, 451700, 464240, 505904, 580300, 632380, 663200, 722720, 790475, 903400, 928480, 1011808, 1160600, 1264760, 1580950, 1806800, 2321200, 2529520, 3161900, 3613600, 3744593, 4642400, 5059040, 6323800, 7489186, 12647600, 14978372, 18722965, 25295200, 26212151, 29956744, 37445930, 52424302, 59913488, 74891860, 93614825, 104848604, 119826976, 131060755, 149783720, 187229650, 209697208, 262121510, 299567440, 374459300, 419394416, 524243020, 599134880, 655303775, 748918600, 838788832, 1048486040, 1310607550, 1497837200, 2096972080, 2621215100, 2995674400, 4193944160, 5242430200, 10484860400, 20969720800]

約数ペア:

[(1, 20969720800), (2, 10484860400), (4, 5242430200), (5, 4193944160), (7, 2995674400), (8, 2621215100), (10, 2096972080), (14, 1497837200), (16, 1310607550), (20, 1048486040), (25, 838788832), (28, 748918600), (32, 655303775), (35, 599134880), (40, 524243020), (50, 419394416), (56, 374459300), (70, 299567440), (80, 262121510), (100, 209697208), (112, 187229650), (140, 149783720), (160, 131060755), (175, 119826976), (200, 104848604), (224, 93614825), (280, 74891860), (350, 59913488), (400, 52424302), (560, 37445930), (700, 29956744), (800, 26212151), (829, 25295200), (1120, 18722965), (1400, 14978372), (1658, 12647600), (2800, 7489186), (3316, 6323800), (4145, 5059040), (4517, 4642400), (5600, 3744593), (5803, 3613600), (6632, 3161900), (8290, 2529520), (9034, 2321200), (11606, 1806800), (13264, 1580950), (16580, 1264760), (18068, 1160600), (20725, 1011808), (22585, 928480), (23212, 903400), (26528, 790475), (29015, 722720), (31619, 663200), (33160, 632380), (36136, 580300), (41450, 505904), (45170, 464240), (46424, 451700), (58030, 361360), (63238, 331600), (66320, 316190), (72272, 290150), (82900, 252952), (90340, 232120), (92848, 225850), (112925, 185696), (116060, 180680), (126476, 165800), (132640, 158095), (144544, 145075)]