1387180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 2982672

約数和(自身を除く): 1595492

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1613, 3226, 6452, 8065, 16130, 32260, 69359, 138718, 277436, 346795, 693590, 1387180]

約数ペア:

[(1, 1387180), (2, 693590), (4, 346795), (5, 277436), (10, 138718), (20, 69359), (43, 32260), (86, 16130), (172, 8065), (215, 6452), (430, 3226), (860, 1613)]