40781290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2143}}^1$

素因数の和:2334

約数の個数: 32

約数和(自身を含む): 80580096

約数和(自身を除く): 39798806

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1730, 1903, 2143, 3806, 4286, 9515, 10715, 19030, 21430, 23573, 47146, 117865, 235730, 370739, 741478, 1853695, 3707390, 4078129, 8156258, 20390645, 40781290]

約数ペア:

[(1, 40781290), (2, 20390645), (5, 8156258), (10, 4078129), (11, 3707390), (22, 1853695), (55, 741478), (110, 370739), (173, 235730), (346, 117865), (865, 47146), (1730, 23573), (1903, 21430), (2143, 19030), (3806, 10715), (4286, 9515)]