25555480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4877}}^1$

素因数の和:5019

約数の個数: 32

約数和(自身を含む): 57950640

約数和(自身を除く): 32395160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 4877, 5240, 9754, 19508, 24385, 39016, 48770, 97540, 195080, 638887, 1277774, 2555548, 3194435, 5111096, 6388870, 12777740, 25555480]

約数ペア:

[(1, 25555480), (2, 12777740), (4, 6388870), (5, 5111096), (8, 3194435), (10, 2555548), (20, 1277774), (40, 638887), (131, 195080), (262, 97540), (524, 48770), (655, 39016), (1048, 24385), (1310, 19508), (2620, 9754), (4877, 5240)]