64994800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 174363840

約数和(自身を除く): 109369040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 200, 208, 232, 260, 290, 325, 377, 400, 431, 464, 520, 580, 650, 725, 754, 862, 1040, 1160, 1300, 1450, 1508, 1724, 1885, 2155, 2320, 2600, 2900, 3016, 3448, 3770, 4310, 5200, 5603, 5800, 6032, 6896, 7540, 8620, 9425, 10775, 11206, 11600, 12499, 15080, 17240, 18850, 21550, 22412, 24998, 28015, 30160, 34480, 37700, 43100, 44824, 49996, 56030, 62495, 75400, 86200, 89648, 99992, 112060, 124990, 140075, 150800, 162487, 172400, 199984, 224120, 249980, 280150, 312475, 324974, 448240, 499960, 560300, 624950, 649948, 812435, 999920, 1120600, 1249900, 1299896, 1624870, 2241200, 2499800, 2599792, 3249740, 4062175, 4999600, 6499480, 8124350, 12998960, 16248700, 32497400, 64994800]

約数ペア:

[(1, 64994800), (2, 32497400), (4, 16248700), (5, 12998960), (8, 8124350), (10, 6499480), (13, 4999600), (16, 4062175), (20, 3249740), (25, 2599792), (26, 2499800), (29, 2241200), (40, 1624870), (50, 1299896), (52, 1249900), (58, 1120600), (65, 999920), (80, 812435), (100, 649948), (104, 624950), (116, 560300), (130, 499960), (145, 448240), (200, 324974), (208, 312475), (232, 280150), (260, 249980), (290, 224120), (325, 199984), (377, 172400), (400, 162487), (431, 150800), (464, 140075), (520, 124990), (580, 112060), (650, 99992), (725, 89648), (754, 86200), (862, 75400), (1040, 62495), (1160, 56030), (1300, 49996), (1450, 44824), (1508, 43100), (1724, 37700), (1885, 34480), (2155, 30160), (2320, 28015), (2600, 24998), (2900, 22412), (3016, 21550), (3448, 18850), (3770, 17240), (4310, 15080), (5200, 12499), (5603, 11600), (5800, 11206), (6032, 10775), (6896, 9425), (7540, 8620)]