87404375

素因数分解:

$5^4\times {\mathrm{109}}^1\times {\mathrm{1283}}^1$

素因数の和:1412

約数の個数: 20

約数和(自身を含む): 110308440

約数和(自身を除く): 22904065

約数列:

[1, 5, 25, 109, 125, 545, 625, 1283, 2725, 6415, 13625, 32075, 68125, 139847, 160375, 699235, 801875, 3496175, 17480875, 87404375]

約数ペア:

[(1, 87404375), (5, 17480875), (25, 3496175), (109, 801875), (125, 699235), (545, 160375), (625, 139847), (1283, 68125), (2725, 32075), (6415, 13625)]