85803920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24943}}^1$

素因数の和:24999

約数の個数: 40

約数和(自身を含む): 204141696

約数和(自身を除く): 118337776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 24943, 49886, 99772, 124715, 199544, 249430, 399088, 498860, 997720, 1072549, 1995440, 2145098, 4290196, 5362745, 8580392, 10725490, 17160784, 21450980, 42901960, 85803920]

約数ペア:

[(1, 85803920), (2, 42901960), (4, 21450980), (5, 17160784), (8, 10725490), (10, 8580392), (16, 5362745), (20, 4290196), (40, 2145098), (43, 1995440), (80, 1072549), (86, 997720), (172, 498860), (215, 399088), (344, 249430), (430, 199544), (688, 124715), (860, 99772), (1720, 49886), (3440, 24943)]