87409460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140983}}^1$

素因数の和:141023

約数の個数: 24

約数和(自身を含む): 189482496

約数和(自身を除く): 102073036

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 140983, 281966, 563932, 704915, 1409830, 2819660, 4370473, 8740946, 17481892, 21852365, 43704730, 87409460]

約数ペア:

[(1, 87409460), (2, 43704730), (4, 21852365), (5, 17481892), (10, 8740946), (20, 4370473), (31, 2819660), (62, 1409830), (124, 704915), (155, 563932), (310, 281966), (620, 140983)]