71355680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40543}}^1$

素因数の和:40569

約数の個数: 48

約数和(自身を含む): 183907584

約数和(自身を除く): 112551904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40543, 81086, 162172, 202715, 324344, 405430, 445973, 648688, 810860, 891946, 1297376, 1621720, 1783892, 2229865, 3243440, 3567784, 4459730, 6486880, 7135568, 8919460, 14271136, 17838920, 35677840, 71355680]

約数ペア:

[(1, 71355680), (2, 35677840), (4, 17838920), (5, 14271136), (8, 8919460), (10, 7135568), (11, 6486880), (16, 4459730), (20, 3567784), (22, 3243440), (32, 2229865), (40, 1783892), (44, 1621720), (55, 1297376), (80, 891946), (88, 810860), (110, 648688), (160, 445973), (176, 405430), (220, 324344), (352, 202715), (440, 162172), (880, 81086), (1760, 40543)]