20437394375

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{460561}}^1$

素因数の和:460652

約数の個数: 20

約数和(自身を含む): 25898322384

約数和(自身を除く): 5460928009

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 8875, 44375, 460561, 2302805, 11514025, 32699831, 57570125, 163499155, 287850625, 817495775, 4087478875, 20437394375]

約数ペア:

[(1, 20437394375), (5, 4087478875), (25, 817495775), (71, 287850625), (125, 163499155), (355, 57570125), (625, 32699831), (1775, 11514025), (8875, 2302805), (44375, 460561)]