4000075

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:175

約数の個数: 18

約数和(自身を含む): 5160012

約数和(自身を除く): 1159937

約数列:

[1, 5, 25, 43, 61, 215, 305, 1075, 1525, 2623, 3721, 13115, 18605, 65575, 93025, 160003, 800015, 4000075]

約数ペア:

[(1, 4000075), (5, 800015), (25, 160003), (43, 93025), (61, 65575), (215, 18605), (305, 13115), (1075, 3721), (1525, 2623)]