81395600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1465

約数の個数: 120

約数和(自身を含む): 229901952

約数和(自身を除く): 148506352

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 176, 200, 208, 220, 260, 275, 286, 325, 400, 440, 520, 550, 572, 650, 715, 880, 1040, 1100, 1144, 1300, 1423, 1430, 2200, 2288, 2600, 2846, 2860, 3575, 4400, 5200, 5692, 5720, 7115, 7150, 11384, 11440, 14230, 14300, 15653, 18499, 22768, 28460, 28600, 31306, 35575, 36998, 56920, 57200, 62612, 71150, 73996, 78265, 92495, 113840, 125224, 142300, 147992, 156530, 184990, 203489, 250448, 284600, 295984, 313060, 369980, 391325, 406978, 462475, 569200, 626120, 739960, 782650, 813956, 924950, 1017445, 1252240, 1479920, 1565300, 1627912, 1849900, 2034890, 3130600, 3255824, 3699800, 4069780, 5087225, 6261200, 7399600, 8139560, 10174450, 16279120, 20348900, 40697800, 81395600]

約数ペア:

[(1, 81395600), (2, 40697800), (4, 20348900), (5, 16279120), (8, 10174450), (10, 8139560), (11, 7399600), (13, 6261200), (16, 5087225), (20, 4069780), (22, 3699800), (25, 3255824), (26, 3130600), (40, 2034890), (44, 1849900), (50, 1627912), (52, 1565300), (55, 1479920), (65, 1252240), (80, 1017445), (88, 924950), (100, 813956), (104, 782650), (110, 739960), (130, 626120), (143, 569200), (176, 462475), (200, 406978), (208, 391325), (220, 369980), (260, 313060), (275, 295984), (286, 284600), (325, 250448), (400, 203489), (440, 184990), (520, 156530), (550, 147992), (572, 142300), (650, 125224), (715, 113840), (880, 92495), (1040, 78265), (1100, 73996), (1144, 71150), (1300, 62612), (1423, 57200), (1430, 56920), (2200, 36998), (2288, 35575), (2600, 31306), (2846, 28600), (2860, 28460), (3575, 22768), (4400, 18499), (5200, 15653), (5692, 14300), (5720, 14230), (7115, 11440), (7150, 11384)]