13356520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4703}}^1$

素因数の和:4785

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 17125400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4703, 9406, 18812, 23515, 37624, 47030, 94060, 188120, 333913, 667826, 1335652, 1669565, 2671304, 3339130, 6678260, 13356520]

約数ペア:

[(1, 13356520), (2, 6678260), (4, 3339130), (5, 2671304), (8, 1669565), (10, 1335652), (20, 667826), (40, 333913), (71, 188120), (142, 94060), (284, 47030), (355, 37624), (568, 23515), (710, 18812), (1420, 9406), (2840, 4703)]