72738340

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{9161}}^1$

素因数の和:9567

約数の個数: 24

約数和(自身を含む): 153151992

約数和(自身を除く): 80413652

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 9161, 18322, 36644, 45805, 91610, 183220, 3636917, 7273834, 14547668, 18184585, 36369170, 72738340]

約数ペア:

[(1, 72738340), (2, 36369170), (4, 18184585), (5, 14547668), (10, 7273834), (20, 3636917), (397, 183220), (794, 91610), (1588, 45805), (1985, 36644), (3970, 18322), (7940, 9161)]