83956760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8167}}^1$

素因数の和:8435

約数の個数: 32

約数和(自身を含む): 189660960

約数和(自身を除く): 105704200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8167, 10280, 16334, 32668, 40835, 65336, 81670, 163340, 326680, 2098919, 4197838, 8395676, 10494595, 16791352, 20989190, 41978380, 83956760]

約数ペア:

[(1, 83956760), (2, 41978380), (4, 20989190), (5, 16791352), (8, 10494595), (10, 8395676), (20, 4197838), (40, 2098919), (257, 326680), (514, 163340), (1028, 81670), (1285, 65336), (2056, 40835), (2570, 32668), (5140, 16334), (8167, 10280)]