415540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 887040

約数和(自身を除く): 471500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 263, 316, 395, 526, 790, 1052, 1315, 1580, 2630, 5260, 20777, 41554, 83108, 103885, 207770, 415540]

約数ペア:

[(1, 415540), (2, 207770), (4, 103885), (5, 83108), (10, 41554), (20, 20777), (79, 5260), (158, 2630), (263, 1580), (316, 1315), (395, 1052), (526, 790)]