40050890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4091}}^1$

素因数の和:4198

約数の個数: 32

約数和(自身を含む): 79548480

約数和(自身を除く): 39497590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4091, 4895, 8182, 9790, 20455, 40910, 45001, 90002, 225005, 364099, 450010, 728198, 1820495, 3640990, 4005089, 8010178, 20025445, 40050890]

約数ペア:

[(1, 40050890), (2, 20025445), (5, 8010178), (10, 4005089), (11, 3640990), (22, 1820495), (55, 728198), (89, 450010), (110, 364099), (178, 225005), (445, 90002), (890, 45001), (979, 40910), (1958, 20455), (4091, 9790), (4895, 8182)]