15686680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13523}}^1$

素因数の和:13563

約数の個数: 32

約数和(自身を含む): 36514800

約数和(自身を除く): 20828120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13523, 27046, 54092, 67615, 108184, 135230, 270460, 392167, 540920, 784334, 1568668, 1960835, 3137336, 3921670, 7843340, 15686680]

約数ペア:

[(1, 15686680), (2, 7843340), (4, 3921670), (5, 3137336), (8, 1960835), (10, 1568668), (20, 784334), (29, 540920), (40, 392167), (58, 270460), (116, 135230), (145, 108184), (232, 67615), (290, 54092), (580, 27046), (1160, 13523)]