56487380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3457}}^1$

素因数の和:3528

約数の個数: 48

約数和(自身を含む): 127807680

約数和(自身を除く): 71320300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 3457, 4085, 6914, 8170, 13828, 16340, 17285, 34570, 65683, 69140, 131366, 148651, 262732, 297302, 328415, 594604, 656830, 743255, 1313660, 1486510, 2824369, 2973020, 5648738, 11297476, 14121845, 28243690, 56487380]

約数ペア:

[(1, 56487380), (2, 28243690), (4, 14121845), (5, 11297476), (10, 5648738), (19, 2973020), (20, 2824369), (38, 1486510), (43, 1313660), (76, 743255), (86, 656830), (95, 594604), (172, 328415), (190, 297302), (215, 262732), (380, 148651), (430, 131366), (817, 69140), (860, 65683), (1634, 34570), (3268, 17285), (3457, 16340), (4085, 13828), (6914, 8170)]