87905440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{78487}}^1$

素因数の和:78509

約数の個数: 48

約数和(自身を含む): 237347712

約数和(自身を除く): 149442272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 78487, 156974, 313948, 392435, 549409, 627896, 784870, 1098818, 1255792, 1569740, 2197636, 2511584, 2747045, 3139480, 4395272, 5494090, 6278960, 8790544, 10988180, 12557920, 17581088, 21976360, 43952720, 87905440]

約数ペア:

[(1, 87905440), (2, 43952720), (4, 21976360), (5, 17581088), (7, 12557920), (8, 10988180), (10, 8790544), (14, 6278960), (16, 5494090), (20, 4395272), (28, 3139480), (32, 2747045), (35, 2511584), (40, 2197636), (56, 1569740), (70, 1255792), (80, 1098818), (112, 784870), (140, 627896), (160, 549409), (224, 392435), (280, 313948), (560, 156974), (1120, 78487)]