2016128080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{413141}}^1$

素因数の和:413215

約数の個数: 40

約数和(自身を含む): 4764353544

約数和(自身を除く): 2748225464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 413141, 826282, 1652564, 2065705, 3305128, 4131410, 6610256, 8262820, 16525640, 25201601, 33051280, 50403202, 100806404, 126008005, 201612808, 252016010, 403225616, 504032020, 1008064040, 2016128080]

約数ペア:

[(1, 2016128080), (2, 1008064040), (4, 504032020), (5, 403225616), (8, 252016010), (10, 201612808), (16, 126008005), (20, 100806404), (40, 50403202), (61, 33051280), (80, 25201601), (122, 16525640), (244, 8262820), (305, 6610256), (488, 4131410), (610, 3305128), (976, 2065705), (1220, 1652564), (2440, 826282), (4880, 413141)]