40826420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28751}}^1$

素因数の和:28831

約数の個数: 24

約数和(自身を含む): 86946048

約数和(自身を除く): 46119628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28751, 57502, 115004, 143755, 287510, 575020, 2041321, 4082642, 8165284, 10206605, 20413210, 40826420]

約数ペア:

[(1, 40826420), (2, 20413210), (4, 10206605), (5, 8165284), (10, 4082642), (20, 2041321), (71, 575020), (142, 287510), (284, 143755), (355, 115004), (710, 57502), (1420, 28751)]