83716040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72169}}^1$

素因数の和:72209

約数の個数: 32

約数和(自身を含む): 194859000

約数和(自身を除く): 111142960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 72169, 144338, 288676, 360845, 577352, 721690, 1443380, 2092901, 2886760, 4185802, 8371604, 10464505, 16743208, 20929010, 41858020, 83716040]

約数ペア:

[(1, 83716040), (2, 41858020), (4, 20929010), (5, 16743208), (8, 10464505), (10, 8371604), (20, 4185802), (29, 2886760), (40, 2092901), (58, 1443380), (116, 721690), (145, 577352), (232, 360845), (290, 288676), (580, 144338), (1160, 72169)]