72450520

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1481}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 163257120

約数和(自身を除く): 90806600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 1481, 2446, 2962, 4892, 5924, 6115, 7405, 9784, 11848, 12230, 14810, 24460, 29620, 48920, 59240, 1811263, 3622526, 7245052, 9056315, 14490104, 18112630, 36225260, 72450520]

約数ペア:

[(1, 72450520), (2, 36225260), (4, 18112630), (5, 14490104), (8, 9056315), (10, 7245052), (20, 3622526), (40, 1811263), (1223, 59240), (1481, 48920), (2446, 29620), (2962, 24460), (4892, 14810), (5924, 12230), (6115, 11848), (7405, 9784)]