72438040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78737}}^1$

素因数の和:78771

約数の個数: 32

約数和(自身を含む): 170074080

約数和(自身を除く): 97636040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 78737, 157474, 314948, 393685, 629896, 787370, 1574740, 1810951, 3149480, 3621902, 7243804, 9054755, 14487608, 18109510, 36219020, 72438040]

約数ペア:

[(1, 72438040), (2, 36219020), (4, 18109510), (5, 14487608), (8, 9054755), (10, 7243804), (20, 3621902), (23, 3149480), (40, 1810951), (46, 1574740), (92, 787370), (115, 629896), (184, 393685), (230, 314948), (460, 157474), (920, 78737)]