1609702960

素因数分解:

$2^4\times 5^1\times {\mathrm{20121287}}^1$

素因数の和:20121300

約数の個数: 20

約数和(自身を含む): 3742559568

約数和(自身を除く): 2132856608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20121287, 40242574, 80485148, 100606435, 160970296, 201212870, 321940592, 402425740, 804851480, 1609702960]

約数ペア:

[(1, 1609702960), (2, 804851480), (4, 402425740), (5, 321940592), (8, 201212870), (10, 160970296), (16, 100606435), (20, 80485148), (40, 40242574), (80, 20121287)]