72796520

素因数分解:

$2^3\times 5^1\times {\mathrm{1819913}}^1$

素因数の和:1819924

約数の個数: 16

約数和(自身を含む): 163792260

約数和(自身を除く): 90995740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1819913, 3639826, 7279652, 9099565, 14559304, 18199130, 36398260, 72796520]

約数ペア:

[(1, 72796520), (2, 36398260), (4, 18199130), (5, 14559304), (8, 9099565), (10, 7279652), (20, 3639826), (40, 1819913)]