26562520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 35645480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 199, 235, 284, 355, 376, 398, 470, 568, 710, 796, 940, 995, 1420, 1592, 1880, 1990, 2840, 3337, 3980, 6674, 7960, 9353, 13348, 14129, 16685, 18706, 26696, 28258, 33370, 37412, 46765, 56516, 66740, 70645, 74824, 93530, 113032, 133480, 141290, 187060, 282580, 374120, 565160, 664063, 1328126, 2656252, 3320315, 5312504, 6640630, 13281260, 26562520]

約数ペア:

[(1, 26562520), (2, 13281260), (4, 6640630), (5, 5312504), (8, 3320315), (10, 2656252), (20, 1328126), (40, 664063), (47, 565160), (71, 374120), (94, 282580), (142, 187060), (188, 141290), (199, 133480), (235, 113032), (284, 93530), (355, 74824), (376, 70645), (398, 66740), (470, 56516), (568, 46765), (710, 37412), (796, 33370), (940, 28258), (995, 26696), (1420, 18706), (1592, 16685), (1880, 14129), (1990, 13348), (2840, 9353), (3337, 7960), (3980, 6674)]