38404580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^2\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 81890172

約数和(自身を除く): 43485592

約数列:

[1, 2, 4, 5, 10, 20, 103, 181, 206, 362, 412, 515, 724, 905, 1030, 1810, 2060, 3620, 10609, 18643, 21218, 37286, 42436, 53045, 74572, 93215, 106090, 186430, 212180, 372860, 1920229, 3840458, 7680916, 9601145, 19202290, 38404580]

約数ペア:

[(1, 38404580), (2, 19202290), (4, 9601145), (5, 7680916), (10, 3840458), (20, 1920229), (103, 372860), (181, 212180), (206, 186430), (362, 106090), (412, 93215), (515, 74572), (724, 53045), (905, 42436), (1030, 37286), (1810, 21218), (2060, 18643), (3620, 10609)]