16276040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 40590720

約数和(自身を除く): 24314680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 521, 568, 710, 781, 1042, 1420, 1562, 2084, 2605, 2840, 3124, 3905, 4168, 5210, 5731, 6248, 7810, 10420, 11462, 15620, 20840, 22924, 28655, 31240, 36991, 45848, 57310, 73982, 114620, 147964, 184955, 229240, 295928, 369910, 406901, 739820, 813802, 1479640, 1627604, 2034505, 3255208, 4069010, 8138020, 16276040]

約数ペア:

[(1, 16276040), (2, 8138020), (4, 4069010), (5, 3255208), (8, 2034505), (10, 1627604), (11, 1479640), (20, 813802), (22, 739820), (40, 406901), (44, 369910), (55, 295928), (71, 229240), (88, 184955), (110, 147964), (142, 114620), (220, 73982), (284, 57310), (355, 45848), (440, 36991), (521, 31240), (568, 28655), (710, 22924), (781, 20840), (1042, 15620), (1420, 11462), (1562, 10420), (2084, 7810), (2605, 6248), (2840, 5731), (3124, 5210), (3905, 4168)]