16364560

素因数分解:

$2^4\times 5^1\times {\mathrm{204557}}^1$

素因数の和:204570

約数の個数: 20

約数和(自身を含む): 38047788

約数和(自身を除く): 21683228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204557, 409114, 818228, 1022785, 1636456, 2045570, 3272912, 4091140, 8182280, 16364560]

約数ペア:

[(1, 16364560), (2, 8182280), (4, 4091140), (5, 3272912), (8, 2045570), (10, 1636456), (16, 1022785), (20, 818228), (40, 409114), (80, 204557)]