185780920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{357271}}^1$

素因数の和:357295

約数の個数: 32

約数和(自身を含む): 450162720

約数和(自身を除く): 264381800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 357271, 714542, 1429084, 1786355, 2858168, 3572710, 4644523, 7145420, 9289046, 14290840, 18578092, 23222615, 37156184, 46445230, 92890460, 185780920]

約数ペア:

[(1, 185780920), (2, 92890460), (4, 46445230), (5, 37156184), (8, 23222615), (10, 18578092), (13, 14290840), (20, 9289046), (26, 7145420), (40, 4644523), (52, 3572710), (65, 2858168), (104, 1786355), (130, 1429084), (260, 714542), (520, 357271)]