80587600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 204931328

約数和(自身を除く): 124343728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 67, 80, 97, 100, 124, 134, 155, 194, 200, 248, 268, 310, 335, 388, 400, 485, 496, 536, 620, 670, 775, 776, 970, 1072, 1240, 1340, 1550, 1552, 1675, 1940, 2077, 2425, 2480, 2680, 3007, 3100, 3350, 3880, 4154, 4850, 5360, 6014, 6200, 6499, 6700, 7760, 8308, 9700, 10385, 12028, 12400, 12998, 13400, 15035, 16616, 19400, 20770, 24056, 25996, 26800, 30070, 32495, 33232, 38800, 41540, 48112, 51925, 51992, 60140, 64990, 75175, 83080, 103850, 103984, 120280, 129980, 150350, 162475, 166160, 201469, 207700, 240560, 259960, 300700, 324950, 402938, 415400, 519920, 601400, 649900, 805876, 830800, 1007345, 1202800, 1299800, 1611752, 2014690, 2599600, 3223504, 4029380, 5036725, 8058760, 10073450, 16117520, 20146900, 40293800, 80587600]

約数ペア:

[(1, 80587600), (2, 40293800), (4, 20146900), (5, 16117520), (8, 10073450), (10, 8058760), (16, 5036725), (20, 4029380), (25, 3223504), (31, 2599600), (40, 2014690), (50, 1611752), (62, 1299800), (67, 1202800), (80, 1007345), (97, 830800), (100, 805876), (124, 649900), (134, 601400), (155, 519920), (194, 415400), (200, 402938), (248, 324950), (268, 300700), (310, 259960), (335, 240560), (388, 207700), (400, 201469), (485, 166160), (496, 162475), (536, 150350), (620, 129980), (670, 120280), (775, 103984), (776, 103850), (970, 83080), (1072, 75175), (1240, 64990), (1340, 60140), (1550, 51992), (1552, 51925), (1675, 48112), (1940, 41540), (2077, 38800), (2425, 33232), (2480, 32495), (2680, 30070), (3007, 26800), (3100, 25996), (3350, 24056), (3880, 20770), (4154, 19400), (4850, 16616), (5360, 15035), (6014, 13400), (6200, 12998), (6499, 12400), (6700, 12028), (7760, 10385), (8308, 9700)]