138710840

素因数分解:

$2^3\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{2213}}^1$

素因数の和:3791

約数の個数: 32

約数和(自身を含む): 312439680

約数和(自身を除く): 173728840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1567, 2213, 3134, 4426, 6268, 7835, 8852, 11065, 12536, 15670, 17704, 22130, 31340, 44260, 62680, 88520, 3467771, 6935542, 13871084, 17338855, 27742168, 34677710, 69355420, 138710840]

約数ペア:

[(1, 138710840), (2, 69355420), (4, 34677710), (5, 27742168), (8, 17338855), (10, 13871084), (20, 6935542), (40, 3467771), (1567, 88520), (2213, 62680), (3134, 44260), (4426, 31340), (6268, 22130), (7835, 17704), (8852, 15670), (11065, 12536)]