4920920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 11333520

約数和(自身を除く): 6412600

約数列:

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

約数ペア:

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