3899016875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{479879}}^1$

素因数の和:479912

約数の個数: 20

約数和(自身を含む): 5247007920

約数和(自身を除く): 1347991045

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 479879, 2399395, 6238427, 11996975, 31192135, 59984875, 155960675, 299924375, 779803375, 3899016875]

約数ペア:

[(1, 3899016875), (5, 779803375), (13, 299924375), (25, 155960675), (65, 59984875), (125, 31192135), (325, 11996975), (625, 6238427), (1625, 2399395), (8125, 479879)]