4681840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 11146608

約数和(自身を除く): 6464768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1361, 1720, 2722, 3440, 5444, 6805, 10888, 13610, 21776, 27220, 54440, 58523, 108880, 117046, 234092, 292615, 468184, 585230, 936368, 1170460, 2340920, 4681840]

約数ペア:

[(1, 4681840), (2, 2340920), (4, 1170460), (5, 936368), (8, 585230), (10, 468184), (16, 292615), (20, 234092), (40, 117046), (43, 108880), (80, 58523), (86, 54440), (172, 27220), (215, 21776), (344, 13610), (430, 10888), (688, 6805), (860, 5444), (1361, 3440), (1720, 2722)]