123264920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{27271}}^1$

素因数の和:27395

約数の個数: 32

約数和(自身を含む): 279810720

約数和(自身を除く): 156545800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 27271, 54542, 109084, 136355, 218168, 272710, 545420, 1090840, 3081623, 6163246, 12326492, 15408115, 24652984, 30816230, 61632460, 123264920]

約数ペア:

[(1, 123264920), (2, 61632460), (4, 30816230), (5, 24652984), (8, 15408115), (10, 12326492), (20, 6163246), (40, 3081623), (113, 1090840), (226, 545420), (452, 272710), (565, 218168), (904, 136355), (1130, 109084), (2260, 54542), (4520, 27271)]