67875880

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3257}}^1$

素因数の和:3789

約数の個数: 32

約数和(自身を含む): 153060840

約数和(自身を除く): 85184960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 3257, 4168, 5210, 6514, 10420, 13028, 16285, 20840, 26056, 32570, 65140, 130280, 1696897, 3393794, 6787588, 8484485, 13575176, 16968970, 33937940, 67875880]

約数ペア:

[(1, 67875880), (2, 33937940), (4, 16968970), (5, 13575176), (8, 8484485), (10, 6787588), (20, 3393794), (40, 1696897), (521, 130280), (1042, 65140), (2084, 32570), (2605, 26056), (3257, 20840), (4168, 16285), (5210, 13028), (6514, 10420)]