85722020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{11939}}^1$

素因数の和:12307

約数の個数: 24

約数和(自身を含む): 180532800

約数和(自身を除く): 94810780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 11939, 23878, 47756, 59695, 119390, 238780, 4286101, 8572202, 17144404, 21430505, 42861010, 85722020]

約数ペア:

[(1, 85722020), (2, 42861010), (4, 21430505), (5, 17144404), (10, 8572202), (20, 4286101), (359, 238780), (718, 119390), (1436, 59695), (1795, 47756), (3590, 23878), (7180, 11939)]