11078840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 15048520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 83, 94, 142, 166, 188, 235, 284, 332, 355, 376, 415, 470, 568, 664, 710, 830, 940, 1420, 1660, 1880, 2840, 3320, 3337, 3901, 5893, 6674, 7802, 11786, 13348, 15604, 16685, 19505, 23572, 26696, 29465, 31208, 33370, 39010, 47144, 58930, 66740, 78020, 117860, 133480, 156040, 235720, 276971, 553942, 1107884, 1384855, 2215768, 2769710, 5539420, 11078840]

約数ペア:

[(1, 11078840), (2, 5539420), (4, 2769710), (5, 2215768), (8, 1384855), (10, 1107884), (20, 553942), (40, 276971), (47, 235720), (71, 156040), (83, 133480), (94, 117860), (142, 78020), (166, 66740), (188, 58930), (235, 47144), (284, 39010), (332, 33370), (355, 31208), (376, 29465), (415, 26696), (470, 23572), (568, 19505), (664, 16685), (710, 15604), (830, 13348), (940, 11786), (1420, 7802), (1660, 6674), (1880, 5893), (2840, 3901), (3320, 3337)]