2798528080

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{64661}}^1$

素因数の和:65215

約数の個数: 40

約数和(自身を含む): 6518705544

約数和(自身を除く): 3720177464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 5410, 8656, 10820, 21640, 43280, 64661, 129322, 258644, 323305, 517288, 646610, 1034576, 1293220, 2586440, 5172880, 34981601, 69963202, 139926404, 174908005, 279852808, 349816010, 559705616, 699632020, 1399264040, 2798528080]

約数ペア:

[(1, 2798528080), (2, 1399264040), (4, 699632020), (5, 559705616), (8, 349816010), (10, 279852808), (16, 174908005), (20, 139926404), (40, 69963202), (80, 34981601), (541, 5172880), (1082, 2586440), (2164, 1293220), (2705, 1034576), (4328, 646610), (5410, 517288), (8656, 323305), (10820, 258644), (21640, 129322), (43280, 64661)]