54165680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21841}}^1$

素因数の和:21885

約数の個数: 40

約数和(自身を含む): 130003584

約数和(自身を除く): 75837904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21841, 43682, 87364, 109205, 174728, 218410, 349456, 436820, 677071, 873640, 1354142, 1747280, 2708284, 3385355, 5416568, 6770710, 10833136, 13541420, 27082840, 54165680]

約数ペア:

[(1, 54165680), (2, 27082840), (4, 13541420), (5, 10833136), (8, 6770710), (10, 5416568), (16, 3385355), (20, 2708284), (31, 1747280), (40, 1354142), (62, 873640), (80, 677071), (124, 436820), (155, 349456), (248, 218410), (310, 174728), (496, 109205), (620, 87364), (1240, 43682), (2480, 21841)]