51881320

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1361}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 116941320

約数和(自身を除く): 65060000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1361, 1906, 2722, 3812, 4765, 5444, 6805, 7624, 9530, 10888, 13610, 19060, 27220, 38120, 54440, 1297033, 2594066, 5188132, 6485165, 10376264, 12970330, 25940660, 51881320]

約数ペア:

[(1, 51881320), (2, 25940660), (4, 12970330), (5, 10376264), (8, 6485165), (10, 5188132), (20, 2594066), (40, 1297033), (953, 54440), (1361, 38120), (1906, 27220), (2722, 19060), (3812, 13610), (4765, 10888), (5444, 9530), (6805, 7624)]