1220173940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1488017}}^1$

素因数の和:1488067

約数の個数: 24

約数和(自身を含む): 2624863752

約数和(自身を除く): 1404689812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1488017, 2976034, 5952068, 7440085, 14880170, 29760340, 61008697, 122017394, 244034788, 305043485, 610086970, 1220173940]

約数ペア:

[(1, 1220173940), (2, 610086970), (4, 305043485), (5, 244034788), (10, 122017394), (20, 61008697), (41, 29760340), (82, 14880170), (164, 7440085), (205, 5952068), (410, 2976034), (820, 1488017)]