38908120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22621}}^1$

素因数の和:22675

約数の個数: 32

約数和(自身を含む): 89583120

約数和(自身を除く): 50675000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22621, 45242, 90484, 113105, 180968, 226210, 452420, 904840, 972703, 1945406, 3890812, 4863515, 7781624, 9727030, 19454060, 38908120]

約数ペア:

[(1, 38908120), (2, 19454060), (4, 9727030), (5, 7781624), (8, 4863515), (10, 3890812), (20, 1945406), (40, 972703), (43, 904840), (86, 452420), (172, 226210), (215, 180968), (344, 113105), (430, 90484), (860, 45242), (1720, 22621)]