51475280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6247}}^1$

素因数の和:6363

約数の個数: 40

約数和(自身を含む): 120861312

約数和(自身を除く): 69386032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 6247, 8240, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 249880, 499760, 643441, 1286882, 2573764, 3217205, 5147528, 6434410, 10295056, 12868820, 25737640, 51475280]

約数ペア:

[(1, 51475280), (2, 25737640), (4, 12868820), (5, 10295056), (8, 6434410), (10, 5147528), (16, 3217205), (20, 2573764), (40, 1286882), (80, 643441), (103, 499760), (206, 249880), (412, 124940), (515, 99952), (824, 62470), (1030, 49976), (1648, 31235), (2060, 24988), (4120, 12494), (6247, 8240)]