129702920

素因数分解:

$2^3\times 5^1\times {\mathrm{3242573}}^1$

素因数の和:3242584

約数の個数: 16

約数和(自身を含む): 291831660

約数和(自身を除く): 162128740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3242573, 6485146, 12970292, 16212865, 25940584, 32425730, 64851460, 129702920]

約数ペア:

[(1, 129702920), (2, 64851460), (4, 32425730), (5, 25940584), (8, 16212865), (10, 12970292), (20, 6485146), (40, 3242573)]