56475640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1621}}^1$

素因数の和:1712

約数の個数: 64

約数和(自身を含む): 138972960

約数和(自身を除く): 82497320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1621, 1742, 2680, 3242, 3484, 4355, 6484, 6968, 8105, 8710, 12968, 16210, 17420, 21073, 32420, 34840, 42146, 64840, 84292, 105365, 108607, 168584, 210730, 217214, 421460, 434428, 543035, 842920, 868856, 1086070, 1411891, 2172140, 2823782, 4344280, 5647564, 7059455, 11295128, 14118910, 28237820, 56475640]

約数ペア:

[(1, 56475640), (2, 28237820), (4, 14118910), (5, 11295128), (8, 7059455), (10, 5647564), (13, 4344280), (20, 2823782), (26, 2172140), (40, 1411891), (52, 1086070), (65, 868856), (67, 842920), (104, 543035), (130, 434428), (134, 421460), (260, 217214), (268, 210730), (335, 168584), (520, 108607), (536, 105365), (670, 84292), (871, 64840), (1340, 42146), (1621, 34840), (1742, 32420), (2680, 21073), (3242, 17420), (3484, 16210), (4355, 12968), (6484, 8710), (6968, 8105)]