139122520

素因数分解:

$2^3\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2417}}^1$

素因数の和:3867

約数の個数: 32

約数和(自身を含む): 313372800

約数和(自身を除く): 174250280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1439, 2417, 2878, 4834, 5756, 7195, 9668, 11512, 12085, 14390, 19336, 24170, 28780, 48340, 57560, 96680, 3478063, 6956126, 13912252, 17390315, 27824504, 34780630, 69561260, 139122520]

約数ペア:

[(1, 139122520), (2, 69561260), (4, 34780630), (5, 27824504), (8, 17390315), (10, 13912252), (20, 6956126), (40, 3478063), (1439, 96680), (2417, 57560), (2878, 48340), (4834, 28780), (5756, 24170), (7195, 19336), (9668, 14390), (11512, 12085)]