20102480

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4259}}^1$

素因数の和:4331

約数の個数: 40

約数和(自身を含む): 47541600

約数和(自身を除く): 27439120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4259, 4720, 8518, 17036, 21295, 34072, 42590, 68144, 85180, 170360, 251281, 340720, 502562, 1005124, 1256405, 2010248, 2512810, 4020496, 5025620, 10051240, 20102480]

約数ペア:

[(1, 20102480), (2, 10051240), (4, 5025620), (5, 4020496), (8, 2512810), (10, 2010248), (16, 1256405), (20, 1005124), (40, 502562), (59, 340720), (80, 251281), (118, 170360), (236, 85180), (295, 68144), (472, 42590), (590, 34072), (944, 21295), (1180, 17036), (2360, 8518), (4259, 4720)]