8820590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 16527456

約数和(自身を除く): 7706866

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 281, 365, 430, 562, 730, 1405, 2810, 3139, 6278, 12083, 15695, 20513, 24166, 31390, 41026, 60415, 102565, 120830, 205130, 882059, 1764118, 4410295, 8820590]

約数ペア:

[(1, 8820590), (2, 4410295), (5, 1764118), (10, 882059), (43, 205130), (73, 120830), (86, 102565), (146, 60415), (215, 41026), (281, 31390), (365, 24166), (430, 20513), (562, 15695), (730, 12083), (1405, 6278), (2810, 3139)]