23385980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 27707524

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 383, 430, 710, 766, 860, 1420, 1532, 1915, 3053, 3830, 6106, 7660, 12212, 15265, 16469, 27193, 30530, 32938, 54386, 61060, 65876, 82345, 108772, 135965, 164690, 271930, 329380, 543860, 1169299, 2338598, 4677196, 5846495, 11692990, 23385980]

約数ペア:

[(1, 23385980), (2, 11692990), (4, 5846495), (5, 4677196), (10, 2338598), (20, 1169299), (43, 543860), (71, 329380), (86, 271930), (142, 164690), (172, 135965), (215, 108772), (284, 82345), (355, 65876), (383, 61060), (430, 54386), (710, 32938), (766, 30530), (860, 27193), (1420, 16469), (1532, 15265), (1915, 12212), (3053, 7660), (3830, 6106)]