22157680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 53996544

約数和(自身を除く): 31838864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 83, 94, 142, 166, 188, 235, 284, 332, 355, 376, 415, 470, 568, 664, 710, 752, 830, 940, 1136, 1328, 1420, 1660, 1880, 2840, 3320, 3337, 3760, 3901, 5680, 5893, 6640, 6674, 7802, 11786, 13348, 15604, 16685, 19505, 23572, 26696, 29465, 31208, 33370, 39010, 47144, 53392, 58930, 62416, 66740, 78020, 94288, 117860, 133480, 156040, 235720, 266960, 276971, 312080, 471440, 553942, 1107884, 1384855, 2215768, 2769710, 4431536, 5539420, 11078840, 22157680]

約数ペア:

[(1, 22157680), (2, 11078840), (4, 5539420), (5, 4431536), (8, 2769710), (10, 2215768), (16, 1384855), (20, 1107884), (40, 553942), (47, 471440), (71, 312080), (80, 276971), (83, 266960), (94, 235720), (142, 156040), (166, 133480), (188, 117860), (235, 94288), (284, 78020), (332, 66740), (355, 62416), (376, 58930), (415, 53392), (470, 47144), (568, 39010), (664, 33370), (710, 31208), (752, 29465), (830, 26696), (940, 23572), (1136, 19505), (1328, 16685), (1420, 15604), (1660, 13348), (1880, 11786), (2840, 7802), (3320, 6674), (3337, 6640), (3760, 5893), (3901, 5680)]