42758125

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:143

約数の個数: 30

約数和(自身を含む): 56180454

約数和(自身を除く): 13422329

約数列:

[1, 5, 25, 37, 43, 125, 185, 215, 625, 925, 1075, 1591, 1849, 4625, 5375, 7955, 9245, 23125, 26875, 39775, 46225, 68413, 198875, 231125, 342065, 994375, 1155625, 1710325, 8551625, 42758125]

約数ペア:

[(1, 42758125), (5, 8551625), (25, 1710325), (37, 1155625), (43, 994375), (125, 342065), (185, 231125), (215, 198875), (625, 68413), (925, 46225), (1075, 39775), (1591, 26875), (1849, 23125), (4625, 9245), (5375, 7955)]