12878651200

素因数分解:

$2^6\times 5^2\times {\mathrm{97}}^1\times {\mathrm{82981}}^1$

素因数の和:83100

約数の個数: 84

約数和(自身を含む): 32016613132

約数和(自身を除く): 19137961932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 160, 194, 200, 320, 388, 400, 485, 776, 800, 970, 1552, 1600, 1940, 2425, 3104, 3880, 4850, 6208, 7760, 9700, 15520, 19400, 31040, 38800, 77600, 82981, 155200, 165962, 331924, 414905, 663848, 829810, 1327696, 1659620, 2074525, 2655392, 3319240, 4149050, 5310784, 6638480, 8049157, 8298100, 13276960, 16098314, 16596200, 26553920, 32196628, 33192400, 40245785, 64393256, 66384800, 80491570, 128786512, 132769600, 160983140, 201228925, 257573024, 321966280, 402457850, 515146048, 643932560, 804915700, 1287865120, 1609831400, 2575730240, 3219662800, 6439325600, 12878651200]

約数ペア:

[(1, 12878651200), (2, 6439325600), (4, 3219662800), (5, 2575730240), (8, 1609831400), (10, 1287865120), (16, 804915700), (20, 643932560), (25, 515146048), (32, 402457850), (40, 321966280), (50, 257573024), (64, 201228925), (80, 160983140), (97, 132769600), (100, 128786512), (160, 80491570), (194, 66384800), (200, 64393256), (320, 40245785), (388, 33192400), (400, 32196628), (485, 26553920), (776, 16596200), (800, 16098314), (970, 13276960), (1552, 8298100), (1600, 8049157), (1940, 6638480), (2425, 5310784), (3104, 4149050), (3880, 3319240), (4850, 2655392), (6208, 2074525), (7760, 1659620), (9700, 1327696), (15520, 829810), (19400, 663848), (31040, 414905), (38800, 331924), (77600, 165962), (82981, 155200)]