16451522680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1\times {\mathrm{10151}}^1$

素因数の和:11500

約数の個数: 64

約数和(自身を含む): 38242990080

約数和(自身を除く): 21791467400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1307, 2614, 5228, 6535, 10151, 10456, 13070, 20302, 26140, 40517, 40604, 50755, 52280, 81034, 81208, 101510, 162068, 202585, 203020, 314681, 324136, 405170, 406040, 629362, 810340, 1258724, 1573405, 1620680, 2517448, 3146810, 6293620, 12587240, 13267357, 26534714, 53069428, 66336785, 106138856, 132673570, 265347140, 411288067, 530694280, 822576134, 1645152268, 2056440335, 3290304536, 4112880670, 8225761340, 16451522680]

約数ペア:

[(1, 16451522680), (2, 8225761340), (4, 4112880670), (5, 3290304536), (8, 2056440335), (10, 1645152268), (20, 822576134), (31, 530694280), (40, 411288067), (62, 265347140), (124, 132673570), (155, 106138856), (248, 66336785), (310, 53069428), (620, 26534714), (1240, 13267357), (1307, 12587240), (2614, 6293620), (5228, 3146810), (6535, 2517448), (10151, 1620680), (10456, 1573405), (13070, 1258724), (20302, 810340), (26140, 629362), (40517, 406040), (40604, 405170), (50755, 324136), (52280, 314681), (81034, 203020), (81208, 202585), (101510, 162068)]