2021186120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{12953}}^1$

素因数の和:13094

約数の個数: 64

約数和(自身を含む): 4700747520

約数和(自身を除く): 2679561400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 470, 664, 830, 940, 1660, 1880, 3320, 3901, 7802, 12953, 15604, 19505, 25906, 31208, 39010, 51812, 64765, 78020, 103624, 129530, 156040, 259060, 518120, 608791, 1075099, 1217582, 2150198, 2435164, 3043955, 4300396, 4870328, 5375495, 6087910, 8600792, 10750990, 12175820, 21501980, 24351640, 43003960, 50529653, 101059306, 202118612, 252648265, 404237224, 505296530, 1010593060, 2021186120]

約数ペア:

[(1, 2021186120), (2, 1010593060), (4, 505296530), (5, 404237224), (8, 252648265), (10, 202118612), (20, 101059306), (40, 50529653), (47, 43003960), (83, 24351640), (94, 21501980), (166, 12175820), (188, 10750990), (235, 8600792), (332, 6087910), (376, 5375495), (415, 4870328), (470, 4300396), (664, 3043955), (830, 2435164), (940, 2150198), (1660, 1217582), (1880, 1075099), (3320, 608791), (3901, 518120), (7802, 259060), (12953, 156040), (15604, 129530), (19505, 103624), (25906, 78020), (31208, 64765), (39010, 51812)]