28399631920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{388823}}^1$

素因数の和:388930

約数の個数: 80

約数和(自身を含む): 72899834112

約数和(自身を除く): 44500202192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 332, 415, 440, 664, 830, 880, 913, 1328, 1660, 1826, 3320, 3652, 4565, 6640, 7304, 9130, 14608, 18260, 36520, 73040, 388823, 777646, 1555292, 1944115, 3110584, 3888230, 4277053, 6221168, 7776460, 8554106, 15552920, 17108212, 21385265, 31105840, 32272309, 34216424, 42770530, 64544618, 68432848, 85541060, 129089236, 161361545, 171082120, 258178472, 322723090, 342164240, 354995399, 516356944, 645446180, 709990798, 1290892360, 1419981596, 1774976995, 2581784720, 2839963192, 3549953990, 5679926384, 7099907980, 14199815960, 28399631920]

約数ペア:

[(1, 28399631920), (2, 14199815960), (4, 7099907980), (5, 5679926384), (8, 3549953990), (10, 2839963192), (11, 2581784720), (16, 1774976995), (20, 1419981596), (22, 1290892360), (40, 709990798), (44, 645446180), (55, 516356944), (80, 354995399), (83, 342164240), (88, 322723090), (110, 258178472), (166, 171082120), (176, 161361545), (220, 129089236), (332, 85541060), (415, 68432848), (440, 64544618), (664, 42770530), (830, 34216424), (880, 32272309), (913, 31105840), (1328, 21385265), (1660, 17108212), (1826, 15552920), (3320, 8554106), (3652, 7776460), (4565, 6221168), (6640, 4277053), (7304, 3888230), (9130, 3110584), (14608, 1944115), (18260, 1555292), (36520, 777646), (73040, 388823)]