16804940240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{406309}}^1$

素因数の和:406380

約数の個数: 80

約数和(自身を含む): 43530428160

約数和(自身を除く): 26725487920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 10340, 20680, 41360, 406309, 812618, 1625236, 2031545, 3250472, 4063090, 4469399, 6500944, 8126180, 8938798, 16252360, 17877596, 19096523, 22346995, 32504720, 35755192, 38193046, 44693990, 71510384, 76386092, 89387980, 95482615, 152772184, 178775960, 190965230, 210061753, 305544368, 357551920, 381930460, 420123506, 763860920, 840247012, 1050308765, 1527721840, 1680494024, 2100617530, 3360988048, 4201235060, 8402470120, 16804940240]

約数ペア:

[(1, 16804940240), (2, 8402470120), (4, 4201235060), (5, 3360988048), (8, 2100617530), (10, 1680494024), (11, 1527721840), (16, 1050308765), (20, 840247012), (22, 763860920), (40, 420123506), (44, 381930460), (47, 357551920), (55, 305544368), (80, 210061753), (88, 190965230), (94, 178775960), (110, 152772184), (176, 95482615), (188, 89387980), (220, 76386092), (235, 71510384), (376, 44693990), (440, 38193046), (470, 35755192), (517, 32504720), (752, 22346995), (880, 19096523), (940, 17877596), (1034, 16252360), (1880, 8938798), (2068, 8126180), (2585, 6500944), (3760, 4469399), (4136, 4063090), (5170, 3250472), (8272, 2031545), (10340, 1625236), (20680, 812618), (41360, 406309)]