28508719240

素因数分解:

$2^3\times 5^1\times {\mathrm{17713}}^1\times {\mathrm{40237}}^1$

素因数の和:57961

約数の個数: 32

約数和(自身を含む): 64149833880

約数和(自身を除く): 35641114640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17713, 35426, 40237, 70852, 80474, 88565, 141704, 160948, 177130, 201185, 321896, 354260, 402370, 708520, 804740, 1609480, 712717981, 1425435962, 2850871924, 3563589905, 5701743848, 7127179810, 14254359620, 28508719240]

約数ペア:

[(1, 28508719240), (2, 14254359620), (4, 7127179810), (5, 5701743848), (8, 3563589905), (10, 2850871924), (20, 1425435962), (40, 712717981), (17713, 1609480), (35426, 804740), (40237, 708520), (70852, 402370), (80474, 354260), (88565, 321896), (141704, 201185), (160948, 177130)]