2015804720

素因数分解:

$2^4\times 5^1\times {\mathrm{25197559}}^1$

素因数の和:25197572

約数の個数: 20

約数和(自身を含む): 4686746160

約数和(自身を除く): 2670941440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25197559, 50395118, 100790236, 125987795, 201580472, 251975590, 403160944, 503951180, 1007902360, 2015804720]

約数ペア:

[(1, 2015804720), (2, 1007902360), (4, 503951180), (5, 403160944), (8, 251975590), (10, 201580472), (16, 125987795), (20, 100790236), (40, 50395118), (80, 25197559)]