320424040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{348287}}^1$

素因数の和:348321

約数の個数: 32

約数和(自身を含む): 752302080

約数和(自身を除く): 431878040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 348287, 696574, 1393148, 1741435, 2786296, 3482870, 6965740, 8010601, 13931480, 16021202, 32042404, 40053005, 64084808, 80106010, 160212020, 320424040]

約数ペア:

[(1, 320424040), (2, 160212020), (4, 80106010), (5, 64084808), (8, 40053005), (10, 32042404), (20, 16021202), (23, 13931480), (40, 8010601), (46, 6965740), (92, 3482870), (115, 2786296), (184, 1741435), (230, 1393148), (460, 696574), (920, 348287)]