28523440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32413}}^1$

素因数の和:32437

約数の個数: 40

約数和(自身を含む): 72348048

約数和(自身を除く): 43824608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32413, 64826, 129652, 162065, 259304, 324130, 356543, 518608, 648260, 713086, 1296520, 1426172, 1782715, 2593040, 2852344, 3565430, 5704688, 7130860, 14261720, 28523440]

約数ペア:

[(1, 28523440), (2, 14261720), (4, 7130860), (5, 5704688), (8, 3565430), (10, 2852344), (11, 2593040), (16, 1782715), (20, 1426172), (22, 1296520), (40, 713086), (44, 648260), (55, 518608), (80, 356543), (88, 324130), (110, 259304), (176, 162065), (220, 129652), (440, 64826), (880, 32413)]