13072120

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1163}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 29542320

約数和(自身を除く): 16470200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1163, 1405, 2248, 2326, 2810, 4652, 5620, 5815, 9304, 11240, 11630, 23260, 46520, 326803, 653606, 1307212, 1634015, 2614424, 3268030, 6536060, 13072120]

約数ペア:

[(1, 13072120), (2, 6536060), (4, 3268030), (5, 2614424), (8, 1634015), (10, 1307212), (20, 653606), (40, 326803), (281, 46520), (562, 23260), (1124, 11630), (1163, 11240), (1405, 9304), (2248, 5815), (2326, 5620), (2810, 4652)]