2811320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 6426000

約数和(自身を除く): 3614680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1049, 1340, 2098, 2680, 4196, 5245, 8392, 10490, 20980, 41960, 70283, 140566, 281132, 351415, 562264, 702830, 1405660, 2811320]

約数ペア:

[(1, 2811320), (2, 1405660), (4, 702830), (5, 562264), (8, 351415), (10, 281132), (20, 140566), (40, 70283), (67, 41960), (134, 20980), (268, 10490), (335, 8392), (536, 5245), (670, 4196), (1049, 2680), (1340, 2098)]