40189580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17783}}^1$

素因数の和:17905

約数の個数: 24

約数和(自身を含む): 85149792

約数和(自身を除く): 44960212

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 17783, 35566, 71132, 88915, 177830, 355660, 2009479, 4018958, 8037916, 10047395, 20094790, 40189580]

約数ペア:

[(1, 40189580), (2, 20094790), (4, 10047395), (5, 8037916), (10, 4018958), (20, 2009479), (113, 355660), (226, 177830), (452, 88915), (565, 71132), (1130, 35566), (2260, 17783)]