133480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 311040

約数和(自身を除く): 177560

約数列:

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

約数ペア:

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