2017844720

素因数分解:

$2^4\times 5^1\times {\mathrm{4751}}^1\times {\mathrm{5309}}^1$

素因数の和:10073

約数の個数: 40

約数和(自身を含む): 4693360320

約数和(自身を除く): 2675515600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4751, 5309, 9502, 10618, 19004, 21236, 23755, 26545, 38008, 42472, 47510, 53090, 76016, 84944, 95020, 106180, 190040, 212360, 380080, 424720, 25223059, 50446118, 100892236, 126115295, 201784472, 252230590, 403568944, 504461180, 1008922360, 2017844720]

約数ペア:

[(1, 2017844720), (2, 1008922360), (4, 504461180), (5, 403568944), (8, 252230590), (10, 201784472), (16, 126115295), (20, 100892236), (40, 50446118), (80, 25223059), (4751, 424720), (5309, 380080), (9502, 212360), (10618, 190040), (19004, 106180), (21236, 95020), (23755, 84944), (26545, 76016), (38008, 53090), (42472, 47510)]