2080637560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{63667}}^1$

素因数の和:63740

約数の個数: 64

約数和(自身を含む): 5042505600

約数和(自身を除く): 2961868040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 32680, 63667, 127334, 254668, 318335, 509336, 636670, 1209673, 1273340, 2419346, 2546680, 2737681, 4838692, 5475362, 6048365, 9677384, 10950724, 12096730, 13688405, 21901448, 24193460, 27376810, 48386920, 52015939, 54753620, 104031878, 109507240, 208063756, 260079695, 416127512, 520159390, 1040318780, 2080637560]

約数ペア:

[(1, 2080637560), (2, 1040318780), (4, 520159390), (5, 416127512), (8, 260079695), (10, 208063756), (19, 109507240), (20, 104031878), (38, 54753620), (40, 52015939), (43, 48386920), (76, 27376810), (86, 24193460), (95, 21901448), (152, 13688405), (172, 12096730), (190, 10950724), (215, 9677384), (344, 6048365), (380, 5475362), (430, 4838692), (760, 2737681), (817, 2546680), (860, 2419346), (1634, 1273340), (1720, 1209673), (3268, 636670), (4085, 509336), (6536, 318335), (8170, 254668), (16340, 127334), (32680, 63667)]