131320180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{92479}}^1$

素因数の和:92559

約数の個数: 24

約数和(自身を含む): 279659520

約数和(自身を除く): 148339340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 92479, 184958, 369916, 462395, 924790, 1849580, 6566009, 13132018, 26264036, 32830045, 65660090, 131320180]

約数ペア:

[(1, 131320180), (2, 65660090), (4, 32830045), (5, 26264036), (10, 13132018), (20, 6566009), (71, 1849580), (142, 924790), (284, 462395), (355, 369916), (710, 184958), (1420, 92479)]