131801920

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1847}}^1$

素因数の和:2087

約数の個数: 56

約数和(自身を含む): 315431424

約数和(自身を除く): 183629504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 446, 892, 1115, 1784, 1847, 2230, 3568, 3694, 4460, 7136, 7388, 8920, 9235, 14272, 14776, 17840, 18470, 29552, 35680, 36940, 59104, 71360, 73880, 118208, 147760, 295520, 411881, 591040, 823762, 1647524, 2059405, 3295048, 4118810, 6590096, 8237620, 13180192, 16475240, 26360384, 32950480, 65900960, 131801920]

約数ペア:

[(1, 131801920), (2, 65900960), (4, 32950480), (5, 26360384), (8, 16475240), (10, 13180192), (16, 8237620), (20, 6590096), (32, 4118810), (40, 3295048), (64, 2059405), (80, 1647524), (160, 823762), (223, 591040), (320, 411881), (446, 295520), (892, 147760), (1115, 118208), (1784, 73880), (1847, 71360), (2230, 59104), (3568, 36940), (3694, 35680), (4460, 29552), (7136, 18470), (7388, 17840), (8920, 14776), (9235, 14272)]