1640441480

素因数分解:

$2^3\times 5^1\times {\mathrm{4073}}^1\times {\mathrm{10069}}^1$

素因数の和:14153

約数の個数: 32

約数和(自身を含む): 3692266200

約数和(自身を除く): 2051824720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4073, 8146, 10069, 16292, 20138, 20365, 32584, 40276, 40730, 50345, 80552, 81460, 100690, 162920, 201380, 402760, 41011037, 82022074, 164044148, 205055185, 328088296, 410110370, 820220740, 1640441480]

約数ペア:

[(1, 1640441480), (2, 820220740), (4, 410110370), (5, 328088296), (8, 205055185), (10, 164044148), (20, 82022074), (40, 41011037), (4073, 402760), (8146, 201380), (10069, 162920), (16292, 100690), (20138, 81460), (20365, 80552), (32584, 50345), (40276, 40730)]