91248940

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{2143}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 191802240

約数和(自身を除く): 100553300

約数列:

[1, 2, 4, 5, 10, 20, 2129, 2143, 4258, 4286, 8516, 8572, 10645, 10715, 21290, 21430, 42580, 42860, 4562447, 9124894, 18249788, 22812235, 45624470, 91248940]

約数ペア:

[(1, 91248940), (2, 45624470), (4, 22812235), (5, 18249788), (10, 9124894), (20, 4562447), (2129, 42860), (2143, 42580), (4258, 21430), (4286, 21290), (8516, 10715), (8572, 10645)]