31271920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8317}}^1$

素因数の和:8377

約数の個数: 40

約数和(自身を含む): 74263104

約数和(自身を除く): 42991184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 8317, 16634, 33268, 41585, 66536, 83170, 133072, 166340, 332680, 390899, 665360, 781798, 1563596, 1954495, 3127192, 3908990, 6254384, 7817980, 15635960, 31271920]

約数ペア:

[(1, 31271920), (2, 15635960), (4, 7817980), (5, 6254384), (8, 3908990), (10, 3127192), (16, 1954495), (20, 1563596), (40, 781798), (47, 665360), (80, 390899), (94, 332680), (188, 166340), (235, 133072), (376, 83170), (470, 66536), (752, 41585), (940, 33268), (1880, 16634), (3760, 8317)]