8131840

素因数分解:

$2^8\times 5^1\times {\mathrm{6353}}^1$

素因数の和:6374

約数の個数: 36

約数和(自身を含む): 19481364

約数和(自身を除く): 11349524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6353, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 203296, 254120, 406592, 508240, 813184, 1016480, 1626368, 2032960, 4065920, 8131840]

約数ペア:

[(1, 8131840), (2, 4065920), (4, 2032960), (5, 1626368), (8, 1016480), (10, 813184), (16, 508240), (20, 406592), (32, 254120), (40, 203296), (64, 127060), (80, 101648), (128, 63530), (160, 50824), (256, 31765), (320, 25412), (640, 12706), (1280, 6353)]