40807240

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5897}}^1$

素因数の和:6081

約数の個数: 32

約数和(自身を含む): 92362680

約数和(自身を除く): 51555440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 5897, 6920, 11794, 23588, 29485, 47176, 58970, 117940, 235880, 1020181, 2040362, 4080724, 5100905, 8161448, 10201810, 20403620, 40807240]

約数ペア:

[(1, 40807240), (2, 20403620), (4, 10201810), (5, 8161448), (8, 5100905), (10, 4080724), (20, 2040362), (40, 1020181), (173, 235880), (346, 117940), (692, 58970), (865, 47176), (1384, 29485), (1730, 23588), (3460, 11794), (5897, 6920)]