7819640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10289}}^1$

素因数の和:10319

約数の個数: 32

約数和(自身を含む): 18522000

約数和(自身を除く): 10702360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10289, 20578, 41156, 51445, 82312, 102890, 195491, 205780, 390982, 411560, 781964, 977455, 1563928, 1954910, 3909820, 7819640]

約数ペア:

[(1, 7819640), (2, 3909820), (4, 1954910), (5, 1563928), (8, 977455), (10, 781964), (19, 411560), (20, 390982), (38, 205780), (40, 195491), (76, 102890), (95, 82312), (152, 51445), (190, 41156), (380, 20578), (760, 10289)]