82690880

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3271}}^1$

素因数の和:3367

約数の個数: 56

約数和(自身を含む): 199461120

約数和(自身を除く): 116770240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 3271, 5056, 6320, 6542, 12640, 13084, 16355, 25280, 26168, 32710, 52336, 65420, 104672, 130840, 209344, 258409, 261680, 516818, 523360, 1033636, 1046720, 1292045, 2067272, 2584090, 4134544, 5168180, 8269088, 10336360, 16538176, 20672720, 41345440, 82690880]

約数ペア:

[(1, 82690880), (2, 41345440), (4, 20672720), (5, 16538176), (8, 10336360), (10, 8269088), (16, 5168180), (20, 4134544), (32, 2584090), (40, 2067272), (64, 1292045), (79, 1046720), (80, 1033636), (158, 523360), (160, 516818), (316, 261680), (320, 258409), (395, 209344), (632, 130840), (790, 104672), (1264, 65420), (1580, 52336), (2528, 32710), (3160, 26168), (3271, 25280), (5056, 16355), (6320, 13084), (6542, 12640)]