79520240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21149}}^1$

素因数の和:21209

約数の個数: 40

約数和(自身を含む): 188827200

約数和(自身を除く): 109306960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21149, 42298, 84596, 105745, 169192, 211490, 338384, 422980, 845960, 994003, 1691920, 1988006, 3976012, 4970015, 7952024, 9940030, 15904048, 19880060, 39760120, 79520240]

約数ペア:

[(1, 79520240), (2, 39760120), (4, 19880060), (5, 15904048), (8, 9940030), (10, 7952024), (16, 4970015), (20, 3976012), (40, 1988006), (47, 1691920), (80, 994003), (94, 845960), (188, 422980), (235, 338384), (376, 211490), (470, 169192), (752, 105745), (940, 84596), (1880, 42298), (3760, 21149)]