13161920

素因数分解:

$2^6\times 5^1\times {\mathrm{41131}}^1$

素因数の和:41148

約数の個数: 28

約数和(自身を含む): 31342584

約数和(自身を除く): 18180664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 41131, 82262, 164524, 205655, 329048, 411310, 658096, 822620, 1316192, 1645240, 2632384, 3290480, 6580960, 13161920]

約数ペア:

[(1, 13161920), (2, 6580960), (4, 3290480), (5, 2632384), (8, 1645240), (10, 1316192), (16, 822620), (20, 658096), (32, 411310), (40, 329048), (64, 205655), (80, 164524), (160, 82262), (320, 41131)]