16859560

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{809}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 38053800

約数和(自身を除く): 21194240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 809, 1042, 1618, 2084, 2605, 3236, 4045, 4168, 5210, 6472, 8090, 10420, 16180, 20840, 32360, 421489, 842978, 1685956, 2107445, 3371912, 4214890, 8429780, 16859560]

約数ペア:

[(1, 16859560), (2, 8429780), (4, 4214890), (5, 3371912), (8, 2107445), (10, 1685956), (20, 842978), (40, 421489), (521, 32360), (809, 20840), (1042, 16180), (1618, 10420), (2084, 8090), (2605, 6472), (3236, 5210), (4045, 4168)]