51839020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42491}}^1$

素因数の和:42561

約数の個数: 24

約数和(自身を含む): 110649168

約数和(自身を除く): 58810148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 42491, 84982, 169964, 212455, 424910, 849820, 2591951, 5183902, 10367804, 12959755, 25919510, 51839020]

約数ペア:

[(1, 51839020), (2, 25919510), (4, 12959755), (5, 10367804), (10, 5183902), (20, 2591951), (61, 849820), (122, 424910), (244, 212455), (305, 169964), (610, 84982), (1220, 42491)]