15420760

素因数分解:

$2^3\times 5^1\times {\mathrm{385519}}^1$

素因数の和:385530

約数の個数: 16

約数和(自身を含む): 34696800

約数和(自身を除く): 19276040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385519, 771038, 1542076, 1927595, 3084152, 3855190, 7710380, 15420760]

約数ペア:

[(1, 15420760), (2, 7710380), (4, 3855190), (5, 3084152), (8, 1927595), (10, 1542076), (20, 771038), (40, 385519)]