65260220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25693}}^1$

素因数の和:25829

約数の個数: 24

約数和(自身を含む): 138130944

約数和(自身を除く): 72870724

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25693, 51386, 102772, 128465, 256930, 513860, 3263011, 6526022, 13052044, 16315055, 32630110, 65260220]

約数ペア:

[(1, 65260220), (2, 32630110), (4, 16315055), (5, 13052044), (10, 6526022), (20, 3263011), (127, 513860), (254, 256930), (508, 128465), (635, 102772), (1270, 51386), (2540, 25693)]