161343880

素因数分解:

$2^3\times 5^1\times {\mathrm{4033597}}^1$

素因数の和:4033608

約数の個数: 16

約数和(自身を含む): 363023820

約数和(自身を除く): 201679940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4033597, 8067194, 16134388, 20167985, 32268776, 40335970, 80671940, 161343880]

約数ペア:

[(1, 161343880), (2, 80671940), (4, 40335970), (5, 32268776), (8, 20167985), (10, 16134388), (20, 8067194), (40, 4033597)]