72464080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69677}}^1$

素因数の和:69703

約数の個数: 40

約数和(自身を含む): 181441512

約数和(自身を除く): 108977432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69677, 139354, 278708, 348385, 557416, 696770, 905801, 1114832, 1393540, 1811602, 2787080, 3623204, 4529005, 5574160, 7246408, 9058010, 14492816, 18116020, 36232040, 72464080]

約数ペア:

[(1, 72464080), (2, 36232040), (4, 18116020), (5, 14492816), (8, 9058010), (10, 7246408), (13, 5574160), (16, 4529005), (20, 3623204), (26, 2787080), (40, 1811602), (52, 1393540), (65, 1114832), (80, 905801), (104, 696770), (130, 557416), (208, 348385), (260, 278708), (520, 139354), (1040, 69677)]