57480020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221077}}^1$

素因数の和:221099

約数の個数: 24

約数和(自身を含む): 129993864

約数和(自身を除く): 72513844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 221077, 442154, 884308, 1105385, 2210770, 2874001, 4421540, 5748002, 11496004, 14370005, 28740010, 57480020]

約数ペア:

[(1, 57480020), (2, 28740010), (4, 14370005), (5, 11496004), (10, 5748002), (13, 4421540), (20, 2874001), (26, 2210770), (52, 1105385), (65, 884308), (130, 442154), (260, 221077)]