1375625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 20

約数和(自身を含む): 1799424

約数和(自身を除く): 423799

約数列:

[1, 5, 25, 31, 71, 125, 155, 355, 625, 775, 1775, 2201, 3875, 8875, 11005, 19375, 44375, 55025, 275125, 1375625]

約数ペア:

[(1, 1375625), (5, 275125), (25, 55025), (31, 44375), (71, 19375), (125, 11005), (155, 8875), (355, 3875), (625, 2201), (775, 1775)]