86561780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 188407296

約数和(自身を除く): 101845516

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 710, 940, 1297, 1420, 2594, 3337, 5188, 6485, 6674, 12970, 13348, 16685, 25940, 33370, 60959, 66740, 92087, 121918, 184174, 243836, 304795, 368348, 460435, 609590, 920870, 1219180, 1841740, 4328089, 8656178, 17312356, 21640445, 43280890, 86561780]

約数ペア:

[(1, 86561780), (2, 43280890), (4, 21640445), (5, 17312356), (10, 8656178), (20, 4328089), (47, 1841740), (71, 1219180), (94, 920870), (142, 609590), (188, 460435), (235, 368348), (284, 304795), (355, 243836), (470, 184174), (710, 121918), (940, 92087), (1297, 66740), (1420, 60959), (2594, 33370), (3337, 25940), (5188, 16685), (6485, 13348), (6674, 12970)]