40120505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{977}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 49572864

約数和(自身を除く): 9452359

約数列:

[1, 5, 43, 191, 215, 955, 977, 4885, 8213, 41065, 42011, 186607, 210055, 933035, 8024101, 40120505]

約数ペア:

[(1, 40120505), (5, 8024101), (43, 933035), (191, 210055), (215, 186607), (955, 42011), (977, 41065), (4885, 8213)]