180352520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{39901}}^1$

素因数の和:40025

約数の個数: 32

約数和(自身を含む): 409394520

約数和(自身を除く): 229042000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 39901, 79802, 159604, 199505, 319208, 399010, 798020, 1596040, 4508813, 9017626, 18035252, 22544065, 36070504, 45088130, 90176260, 180352520]

約数ペア:

[(1, 180352520), (2, 90176260), (4, 45088130), (5, 36070504), (8, 22544065), (10, 18035252), (20, 9017626), (40, 4508813), (113, 1596040), (226, 798020), (452, 399010), (565, 319208), (904, 199505), (1130, 159604), (2260, 79802), (4520, 39901)]