5405780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8719}}^1$

素因数の和:8759

約数の個数: 24

約数和(自身を含む): 11719680

約数和(自身を除く): 6313900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 8719, 17438, 34876, 43595, 87190, 174380, 270289, 540578, 1081156, 1351445, 2702890, 5405780]

約数ペア:

[(1, 5405780), (2, 2702890), (4, 1351445), (5, 1081156), (10, 540578), (20, 270289), (31, 174380), (62, 87190), (124, 43595), (155, 34876), (310, 17438), (620, 8719)]