13212560

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 30875256

約数和(自身を除く): 17662696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 521, 634, 1042, 1268, 1585, 2084, 2536, 2605, 3170, 4168, 5072, 5210, 6340, 8336, 10420, 12680, 20840, 25360, 41680, 165157, 330314, 660628, 825785, 1321256, 1651570, 2642512, 3303140, 6606280, 13212560]

約数ペア:

[(1, 13212560), (2, 6606280), (4, 3303140), (5, 2642512), (8, 1651570), (10, 1321256), (16, 825785), (20, 660628), (40, 330314), (80, 165157), (317, 41680), (521, 25360), (634, 20840), (1042, 12680), (1268, 10420), (1585, 8336), (2084, 6340), (2536, 5210), (2605, 5072), (3170, 4168)]