2788540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2081}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 5946192

約数和(自身を除く): 3157652

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 2081, 4162, 8324, 10405, 20810, 41620, 139427, 278854, 557708, 697135, 1394270, 2788540]

約数ペア:

[(1, 2788540), (2, 1394270), (4, 697135), (5, 557708), (10, 278854), (20, 139427), (67, 41620), (134, 20810), (268, 10405), (335, 8324), (670, 4162), (1340, 2081)]