80338570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3137}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 156573648

約数和(自身を除く): 76235078

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 3137, 5122, 6274, 12805, 15685, 25610, 31370, 40781, 81562, 203905, 407810, 617989, 1235978, 3089945, 6179890, 8033857, 16067714, 40169285, 80338570]

約数ペア:

[(1, 80338570), (2, 40169285), (5, 16067714), (10, 8033857), (13, 6179890), (26, 3089945), (65, 1235978), (130, 617989), (197, 407810), (394, 203905), (985, 81562), (1970, 40781), (2561, 31370), (3137, 25610), (5122, 15685), (6274, 12805)]