7855280

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 18414000

約数和(自身を除く): 10558720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 659, 745, 1192, 1318, 1490, 2384, 2636, 2980, 3295, 5272, 5960, 6590, 10544, 11920, 13180, 26360, 52720, 98191, 196382, 392764, 490955, 785528, 981910, 1571056, 1963820, 3927640, 7855280]

約数ペア:

[(1, 7855280), (2, 3927640), (4, 1963820), (5, 1571056), (8, 981910), (10, 785528), (16, 490955), (20, 392764), (40, 196382), (80, 98191), (149, 52720), (298, 26360), (596, 13180), (659, 11920), (745, 10544), (1192, 6590), (1318, 5960), (1490, 5272), (2384, 3295), (2636, 2980)]