161888180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97523}}^1$

素因数の和:97615

約数の個数: 24

約数和(自身を含む): 344064672

約数和(自身を除く): 182176492

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 97523, 195046, 390092, 487615, 975230, 1950460, 8094409, 16188818, 32377636, 40472045, 80944090, 161888180]

約数ペア:

[(1, 161888180), (2, 80944090), (4, 40472045), (5, 32377636), (10, 16188818), (20, 8094409), (83, 1950460), (166, 975230), (332, 487615), (415, 390092), (830, 195046), (1660, 97523)]