71634380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87359}}^1$

素因数の和:87409

約数の個数: 24

約数和(自身を含む): 154103040

約数和(自身を除く): 82468660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87359, 174718, 349436, 436795, 873590, 1747180, 3581719, 7163438, 14326876, 17908595, 35817190, 71634380]

約数ペア:

[(1, 71634380), (2, 35817190), (4, 17908595), (5, 14326876), (10, 7163438), (20, 3581719), (41, 1747180), (82, 873590), (164, 436795), (205, 349436), (410, 174718), (820, 87359)]