72511720

素因数分解:

$2^3\times 5^1\times {\mathrm{1812793}}^1$

素因数の和:1812804

約数の個数: 16

約数和(自身を含む): 163151460

約数和(自身を除く): 90639740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1812793, 3625586, 7251172, 9063965, 14502344, 18127930, 36255860, 72511720]

約数ペア:

[(1, 72511720), (2, 36255860), (4, 18127930), (5, 14502344), (8, 9063965), (10, 7251172), (20, 3625586), (40, 1812793)]