70991680

素因数分解:

$2^6\times 5^1\times {\mathrm{221849}}^1$

素因数の和:221866

約数の個数: 28

約数和(自身を含む): 169049700

約数和(自身を除く): 98058020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 221849, 443698, 887396, 1109245, 1774792, 2218490, 3549584, 4436980, 7099168, 8873960, 14198336, 17747920, 35495840, 70991680]

約数ペア:

[(1, 70991680), (2, 35495840), (4, 17747920), (5, 14198336), (8, 8873960), (10, 7099168), (16, 4436980), (20, 3549584), (32, 2218490), (40, 1774792), (64, 1109245), (80, 887396), (160, 443698), (320, 221849)]