65870480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63337}}^1$

素因数の和:63363

約数の個数: 40

約数和(自身を含む): 164932152

約数和(自身を除く): 99061672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63337, 126674, 253348, 316685, 506696, 633370, 823381, 1013392, 1266740, 1646762, 2533480, 3293524, 4116905, 5066960, 6587048, 8233810, 13174096, 16467620, 32935240, 65870480]

約数ペア:

[(1, 65870480), (2, 32935240), (4, 16467620), (5, 13174096), (8, 8233810), (10, 6587048), (13, 5066960), (16, 4116905), (20, 3293524), (26, 2533480), (40, 1646762), (52, 1266740), (65, 1013392), (80, 823381), (104, 633370), (130, 506696), (208, 316685), (260, 253348), (520, 126674), (1040, 63337)]