137580680

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3499}}^1$

素因数の和:4493

約数の個数: 32

約数和(自身を含む): 309960000

約数和(自身を除く): 172379320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3499, 3932, 4915, 6998, 7864, 9830, 13996, 17495, 19660, 27992, 34990, 39320, 69980, 139960, 3439517, 6879034, 13758068, 17197585, 27516136, 34395170, 68790340, 137580680]

約数ペア:

[(1, 137580680), (2, 68790340), (4, 34395170), (5, 27516136), (8, 17197585), (10, 13758068), (20, 6879034), (40, 3439517), (983, 139960), (1966, 69980), (3499, 39320), (3932, 34990), (4915, 27992), (6998, 19660), (7864, 17495), (9830, 13996)]