40957780

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4561}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 86221800

約数和(自身を除く): 45264020

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 4561, 8980, 9122, 18244, 22805, 45610, 91220, 2047889, 4095778, 8191556, 10239445, 20478890, 40957780]

約数ペア:

[(1, 40957780), (2, 20478890), (4, 10239445), (5, 8191556), (10, 4095778), (20, 2047889), (449, 91220), (898, 45610), (1796, 22805), (2245, 18244), (4490, 9122), (4561, 8980)]