85108280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 202521600

約数和(自身を除く): 117413320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 1171, 1580, 1817, 2342, 3160, 3634, 4684, 5855, 7268, 9085, 9368, 11710, 14536, 18170, 23420, 26933, 36340, 46840, 53866, 72680, 92509, 107732, 134665, 185018, 215464, 269330, 370036, 462545, 538660, 740072, 925090, 1077320, 1850180, 2127707, 3700360, 4255414, 8510828, 10638535, 17021656, 21277070, 42554140, 85108280]

約数ペア:

[(1, 85108280), (2, 42554140), (4, 21277070), (5, 17021656), (8, 10638535), (10, 8510828), (20, 4255414), (23, 3700360), (40, 2127707), (46, 1850180), (79, 1077320), (92, 925090), (115, 740072), (158, 538660), (184, 462545), (230, 370036), (316, 269330), (395, 215464), (460, 185018), (632, 134665), (790, 107732), (920, 92509), (1171, 72680), (1580, 53866), (1817, 46840), (2342, 36340), (3160, 26933), (3634, 23420), (4684, 18170), (5855, 14536), (7268, 11710), (9085, 9368)]