61609960

素因数分解:

$2^3\times 5^1\times {\mathrm{1540249}}^1$

素因数の和:1540260

約数の個数: 16

約数和(自身を含む): 138622500

約数和(自身を除く): 77012540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1540249, 3080498, 6160996, 7701245, 12321992, 15402490, 30804980, 61609960]

約数ペア:

[(1, 61609960), (2, 30804980), (4, 15402490), (5, 12321992), (8, 7701245), (10, 6160996), (20, 3080498), (40, 1540249)]