87672460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{12143}}^1$

素因数の和:12190

約数の個数: 36

約数和(自身を含む): 194328288

約数和(自身を除く): 106655828

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 12143, 24286, 48572, 60715, 121430, 230717, 242860, 461434, 922868, 1153585, 2307170, 4383623, 4614340, 8767246, 17534492, 21918115, 43836230, 87672460]

約数ペア:

[(1, 87672460), (2, 43836230), (4, 21918115), (5, 17534492), (10, 8767246), (19, 4614340), (20, 4383623), (38, 2307170), (76, 1153585), (95, 922868), (190, 461434), (361, 242860), (380, 230717), (722, 121430), (1444, 60715), (1805, 48572), (3610, 24286), (7220, 12143)]