90895870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1061}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 176631840

約数和(自身を除く): 85735970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 659, 1061, 1318, 2122, 3295, 5305, 6590, 8567, 10610, 13793, 17134, 27586, 42835, 68965, 85670, 137930, 699199, 1398398, 3495995, 6991990, 9089587, 18179174, 45447935, 90895870]

約数ペア:

[(1, 90895870), (2, 45447935), (5, 18179174), (10, 9089587), (13, 6991990), (26, 3495995), (65, 1398398), (130, 699199), (659, 137930), (1061, 85670), (1318, 68965), (2122, 42835), (3295, 27586), (5305, 17134), (6590, 13793), (8567, 10610)]