40780010

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18287}}^1$

素因数の和:18517

約数の個数: 16

約数和(自身を含む): 73737216

約数和(自身を除く): 32957206

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 18287, 36574, 91435, 182870, 4078001, 8156002, 20390005, 40780010]

約数ペア:

[(1, 40780010), (2, 20390005), (5, 8156002), (10, 4078001), (223, 182870), (446, 91435), (1115, 36574), (2230, 18287)]