104480780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{20327}}^1$

素因数の和:20593

約数の個数: 24

約数和(自身を含む): 220274208

約数和(自身を除く): 115793428

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 20327, 40654, 81308, 101635, 203270, 406540, 5224039, 10448078, 20896156, 26120195, 52240390, 104480780]

約数ペア:

[(1, 104480780), (2, 52240390), (4, 26120195), (5, 20896156), (10, 10448078), (20, 5224039), (257, 406540), (514, 203270), (1028, 101635), (1285, 81308), (2570, 40654), (5140, 20327)]