15991340

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{953}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 33657120

約数和(自身を除く): 17665780

約数列:

[1, 2, 4, 5, 10, 20, 839, 953, 1678, 1906, 3356, 3812, 4195, 4765, 8390, 9530, 16780, 19060, 799567, 1599134, 3198268, 3997835, 7995670, 15991340]

約数ペア:

[(1, 15991340), (2, 7995670), (4, 3997835), (5, 3198268), (10, 1599134), (20, 799567), (839, 19060), (953, 16780), (1678, 9530), (1906, 8390), (3356, 4765), (3812, 4195)]