15133640

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{953}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 34172280

約数和(自身を除く): 19038640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 953, 1588, 1906, 1985, 3176, 3812, 3970, 4765, 7624, 7940, 9530, 15880, 19060, 38120, 378341, 756682, 1513364, 1891705, 3026728, 3783410, 7566820, 15133640]

約数ペア:

[(1, 15133640), (2, 7566820), (4, 3783410), (5, 3026728), (8, 1891705), (10, 1513364), (20, 756682), (40, 378341), (397, 38120), (794, 19060), (953, 15880), (1588, 9530), (1906, 7940), (1985, 7624), (3176, 4765), (3812, 3970)]