15386320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2161}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 36191880

約数和(自身を除く): 20805560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2161, 3560, 4322, 7120, 8644, 10805, 17288, 21610, 34576, 43220, 86440, 172880, 192329, 384658, 769316, 961645, 1538632, 1923290, 3077264, 3846580, 7693160, 15386320]

約数ペア:

[(1, 15386320), (2, 7693160), (4, 3846580), (5, 3077264), (8, 1923290), (10, 1538632), (16, 961645), (20, 769316), (40, 384658), (80, 192329), (89, 172880), (178, 86440), (356, 43220), (445, 34576), (712, 21610), (890, 17288), (1424, 10805), (1780, 8644), (2161, 7120), (3560, 4322)]