64061560

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6701}}^1$

素因数の和:6951

約数の個数: 32

約数和(自身を含む): 144763200

約数和(自身を除く): 80701640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 6701, 9560, 13402, 26804, 33505, 53608, 67010, 134020, 268040, 1601539, 3203078, 6406156, 8007695, 12812312, 16015390, 32030780, 64061560]

約数ペア:

[(1, 64061560), (2, 32030780), (4, 16015390), (5, 12812312), (8, 8007695), (10, 6406156), (20, 3203078), (40, 1601539), (239, 268040), (478, 134020), (956, 67010), (1195, 53608), (1912, 33505), (2390, 26804), (4780, 13402), (6701, 9560)]