64507960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146609}}^1$

素因数の和:146631

約数の個数: 32

約数和(自身を含む): 158338800

約数和(自身を除く): 93830840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 146609, 293218, 586436, 733045, 1172872, 1466090, 1612699, 2932180, 3225398, 5864360, 6450796, 8063495, 12901592, 16126990, 32253980, 64507960]

約数ペア:

[(1, 64507960), (2, 32253980), (4, 16126990), (5, 12901592), (8, 8063495), (10, 6450796), (11, 5864360), (20, 3225398), (22, 2932180), (40, 1612699), (44, 1466090), (55, 1172872), (88, 733045), (110, 586436), (220, 293218), (440, 146609)]