2561360

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 6033096

約数和(自身を除く): 3471736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 317, 404, 505, 634, 808, 1010, 1268, 1585, 1616, 2020, 2536, 3170, 4040, 5072, 6340, 8080, 12680, 25360, 32017, 64034, 128068, 160085, 256136, 320170, 512272, 640340, 1280680, 2561360]

約数ペア:

[(1, 2561360), (2, 1280680), (4, 640340), (5, 512272), (8, 320170), (10, 256136), (16, 160085), (20, 128068), (40, 64034), (80, 32017), (101, 25360), (202, 12680), (317, 8080), (404, 6340), (505, 5072), (634, 4040), (808, 3170), (1010, 2536), (1268, 2020), (1585, 1616)]