131524240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 327447792

約数和(自身を除く): 195923552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 680, 776, 970, 997, 1360, 1552, 1649, 1940, 1994, 3298, 3880, 3988, 4985, 6596, 7760, 7976, 8245, 9970, 13192, 15952, 16490, 16949, 19940, 26384, 32980, 33898, 39880, 65960, 67796, 79760, 84745, 96709, 131920, 135592, 169490, 193418, 271184, 338980, 386836, 483545, 677960, 773672, 967090, 1355920, 1547344, 1644053, 1934180, 3288106, 3868360, 6576212, 7736720, 8220265, 13152424, 16440530, 26304848, 32881060, 65762120, 131524240]

約数ペア:

[(1, 131524240), (2, 65762120), (4, 32881060), (5, 26304848), (8, 16440530), (10, 13152424), (16, 8220265), (17, 7736720), (20, 6576212), (34, 3868360), (40, 3288106), (68, 1934180), (80, 1644053), (85, 1547344), (97, 1355920), (136, 967090), (170, 773672), (194, 677960), (272, 483545), (340, 386836), (388, 338980), (485, 271184), (680, 193418), (776, 169490), (970, 135592), (997, 131920), (1360, 96709), (1552, 84745), (1649, 79760), (1940, 67796), (1994, 65960), (3298, 39880), (3880, 33898), (3988, 32980), (4985, 26384), (6596, 19940), (7760, 16949), (7976, 16490), (8245, 15952), (9970, 13192)]