71314580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86969}}^1$

素因数の和:87019

約数の個数: 24

約数和(自身を含む): 153415080

約数和(自身を除く): 82100500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86969, 173938, 347876, 434845, 869690, 1739380, 3565729, 7131458, 14262916, 17828645, 35657290, 71314580]

約数ペア:

[(1, 71314580), (2, 35657290), (4, 17828645), (5, 14262916), (10, 7131458), (20, 3565729), (41, 1739380), (82, 869690), (164, 434845), (205, 347876), (410, 173938), (820, 86969)]