39917020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 104400576

約数和(自身を除く): 64483556

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 821, 884, 935, 1105, 1430, 1642, 1870, 2210, 2431, 2860, 3284, 3740, 4105, 4420, 4862, 8210, 9031, 9724, 10673, 12155, 13957, 16420, 18062, 21346, 24310, 27914, 36124, 42692, 45155, 48620, 53365, 55828, 69785, 90310, 106730, 117403, 139570, 153527, 180620, 181441, 213460, 234806, 279140, 307054, 362882, 469612, 587015, 614108, 725764, 767635, 907205, 1174030, 1535270, 1814410, 1995851, 2348060, 3070540, 3628820, 3991702, 7983404, 9979255, 19958510, 39917020]

約数ペア:

[(1, 39917020), (2, 19958510), (4, 9979255), (5, 7983404), (10, 3991702), (11, 3628820), (13, 3070540), (17, 2348060), (20, 1995851), (22, 1814410), (26, 1535270), (34, 1174030), (44, 907205), (52, 767635), (55, 725764), (65, 614108), (68, 587015), (85, 469612), (110, 362882), (130, 307054), (143, 279140), (170, 234806), (187, 213460), (220, 181441), (221, 180620), (260, 153527), (286, 139570), (340, 117403), (374, 106730), (442, 90310), (572, 69785), (715, 55828), (748, 53365), (821, 48620), (884, 45155), (935, 42692), (1105, 36124), (1430, 27914), (1642, 24310), (1870, 21346), (2210, 18062), (2431, 16420), (2860, 13957), (3284, 12155), (3740, 10673), (4105, 9724), (4420, 9031), (4862, 8210)]