42720110

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19157}}^1$

素因数の和:19387

約数の個数: 16

約数和(自身を含む): 77245056

約数和(自身を除く): 34524946

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 19157, 38314, 95785, 191570, 4272011, 8544022, 21360055, 42720110]

約数ペア:

[(1, 42720110), (2, 21360055), (5, 8544022), (10, 4272011), (223, 191570), (446, 95785), (1115, 38314), (2230, 19157)]