91025840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 221557248

約数和(自身を除く): 130531408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 563, 688, 752, 860, 940, 1126, 1720, 1880, 2021, 2252, 2815, 3440, 3760, 4042, 4504, 5630, 8084, 9008, 10105, 11260, 16168, 20210, 22520, 24209, 26461, 32336, 40420, 45040, 48418, 52922, 80840, 96836, 105844, 121045, 132305, 161680, 193672, 211688, 242090, 264610, 387344, 423376, 484180, 529220, 968360, 1058440, 1137823, 1936720, 2116880, 2275646, 4551292, 5689115, 9102584, 11378230, 18205168, 22756460, 45512920, 91025840]

約数ペア:

[(1, 91025840), (2, 45512920), (4, 22756460), (5, 18205168), (8, 11378230), (10, 9102584), (16, 5689115), (20, 4551292), (40, 2275646), (43, 2116880), (47, 1936720), (80, 1137823), (86, 1058440), (94, 968360), (172, 529220), (188, 484180), (215, 423376), (235, 387344), (344, 264610), (376, 242090), (430, 211688), (470, 193672), (563, 161680), (688, 132305), (752, 121045), (860, 105844), (940, 96836), (1126, 80840), (1720, 52922), (1880, 48418), (2021, 45040), (2252, 40420), (2815, 32336), (3440, 26461), (3760, 24209), (4042, 22520), (4504, 20210), (5630, 16168), (8084, 11260), (9008, 10105)]