80580040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87587}}^1$

素因数の和:87621

約数の個数: 32

約数和(自身を含む): 189190080

約数和(自身を除く): 108610040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87587, 175174, 350348, 437935, 700696, 875870, 1751740, 2014501, 3503480, 4029002, 8058004, 10072505, 16116008, 20145010, 40290020, 80580040]

約数ペア:

[(1, 80580040), (2, 40290020), (4, 20145010), (5, 16116008), (8, 10072505), (10, 8058004), (20, 4029002), (23, 3503480), (40, 2014501), (46, 1751740), (92, 875870), (115, 700696), (184, 437935), (230, 350348), (460, 175174), (920, 87587)]