71399375

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1700

約数の個数: 20

約数和(自身を含む): 90533520

約数和(自身を除く): 19134145

約数列:

[1, 5, 25, 71, 125, 355, 625, 1609, 1775, 8045, 8875, 40225, 44375, 114239, 201125, 571195, 1005625, 2855975, 14279875, 71399375]

約数ペア:

[(1, 71399375), (5, 14279875), (25, 2855975), (71, 1005625), (125, 571195), (355, 201125), (625, 114239), (1609, 44375), (1775, 40225), (8045, 8875)]