1036893640

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{25439}}^1$

素因数の和:26469

約数の個数: 32

約数和(自身を含む): 2335392000

約数和(自身を除く): 1298498360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4076, 5095, 8152, 10190, 20380, 25439, 40760, 50878, 101756, 127195, 203512, 254390, 508780, 1017560, 25922341, 51844682, 103689364, 129611705, 207378728, 259223410, 518446820, 1036893640]

約数ペア:

[(1, 1036893640), (2, 518446820), (4, 259223410), (5, 207378728), (8, 129611705), (10, 103689364), (20, 51844682), (40, 25922341), (1019, 1017560), (2038, 508780), (4076, 254390), (5095, 203512), (8152, 127195), (10190, 101756), (20380, 50878), (25439, 40760)]