11878240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 32495904

約数和(自身を除く): 20617664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 397, 440, 544, 680, 748, 794, 880, 935, 1360, 1496, 1588, 1760, 1870, 1985, 2720, 2992, 3176, 3740, 3970, 4367, 5984, 6352, 6749, 7480, 7940, 8734, 12704, 13498, 14960, 15880, 17468, 21835, 26996, 29920, 31760, 33745, 34936, 43670, 53992, 63520, 67490, 69872, 74239, 87340, 107984, 134980, 139744, 148478, 174680, 215968, 269960, 296956, 349360, 371195, 539920, 593912, 698720, 742390, 1079840, 1187824, 1484780, 2375648, 2969560, 5939120, 11878240]

約数ペア:

[(1, 11878240), (2, 5939120), (4, 2969560), (5, 2375648), (8, 1484780), (10, 1187824), (11, 1079840), (16, 742390), (17, 698720), (20, 593912), (22, 539920), (32, 371195), (34, 349360), (40, 296956), (44, 269960), (55, 215968), (68, 174680), (80, 148478), (85, 139744), (88, 134980), (110, 107984), (136, 87340), (160, 74239), (170, 69872), (176, 67490), (187, 63520), (220, 53992), (272, 43670), (340, 34936), (352, 33745), (374, 31760), (397, 29920), (440, 26996), (544, 21835), (680, 17468), (748, 15880), (794, 14960), (880, 13498), (935, 12704), (1360, 8734), (1496, 7940), (1588, 7480), (1760, 6749), (1870, 6352), (1985, 5984), (2720, 4367), (2992, 3970), (3176, 3740)]