9841840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2917

約数の個数: 40

約数和(自身を含む): 23422608

約数和(自身を除く): 13580768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2861, 3440, 5722, 11444, 14305, 22888, 28610, 45776, 57220, 114440, 123023, 228880, 246046, 492092, 615115, 984184, 1230230, 1968368, 2460460, 4920920, 9841840]

約数ペア:

[(1, 9841840), (2, 4920920), (4, 2460460), (5, 1968368), (8, 1230230), (10, 984184), (16, 615115), (20, 492092), (40, 246046), (43, 228880), (80, 123023), (86, 114440), (172, 57220), (215, 45776), (344, 28610), (430, 22888), (688, 14305), (860, 11444), (1720, 5722), (2861, 3440)]