80851216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{136573}}^1$

素因数の和:136618

約数の個数: 20

約数和(自身を含む): 160884172

約数和(自身を除く): 80032956

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 136573, 273146, 546292, 1092584, 2185168, 5053201, 10106402, 20212804, 40425608, 80851216]

約数ペア:

[(1, 80851216), (2, 40425608), (4, 20212804), (8, 10106402), (16, 5053201), (37, 2185168), (74, 1092584), (148, 546292), (296, 273146), (592, 136573)]