80358940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48409}}^1$

素因数の和:48501

約数の個数: 24

約数和(自身を含む): 170790480

約数和(自身を除く): 90431540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 48409, 96818, 193636, 242045, 484090, 968180, 4017947, 8035894, 16071788, 20089735, 40179470, 80358940]

約数ペア:

[(1, 80358940), (2, 40179470), (4, 20089735), (5, 16071788), (10, 8035894), (20, 4017947), (83, 968180), (166, 484090), (332, 242045), (415, 193636), (830, 96818), (1660, 48409)]