266960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 642816

約数和(自身を除く): 375856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 752, 940, 1136, 1420, 1880, 2840, 3337, 3760, 5680, 6674, 13348, 16685, 26696, 33370, 53392, 66740, 133480, 266960]

約数ペア:

[(1, 266960), (2, 133480), (4, 66740), (5, 53392), (8, 33370), (10, 26696), (16, 16685), (20, 13348), (40, 6674), (47, 5680), (71, 3760), (80, 3337), (94, 2840), (142, 1880), (188, 1420), (235, 1136), (284, 940), (355, 752), (376, 710), (470, 568)]