31124375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2660

約数の個数: 20

約数和(自身を含む): 40955640

約数和(自身を除く): 9831265

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 2621, 11875, 13105, 49799, 65525, 248995, 327625, 1244975, 1638125, 6224875, 31124375]

約数ペア:

[(1, 31124375), (5, 6224875), (19, 1638125), (25, 1244975), (95, 327625), (125, 248995), (475, 65525), (625, 49799), (2375, 13105), (2621, 11875)]