87489760

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1747}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 207473616

約数和(自身を除く): 119983856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 1747, 2504, 3130, 3494, 5008, 6260, 6988, 8735, 10016, 12520, 13976, 17470, 25040, 27952, 34940, 50080, 55904, 69880, 139760, 279520, 546811, 1093622, 2187244, 2734055, 4374488, 5468110, 8748976, 10936220, 17497952, 21872440, 43744880, 87489760]

約数ペア:

[(1, 87489760), (2, 43744880), (4, 21872440), (5, 17497952), (8, 10936220), (10, 8748976), (16, 5468110), (20, 4374488), (32, 2734055), (40, 2187244), (80, 1093622), (160, 546811), (313, 279520), (626, 139760), (1252, 69880), (1565, 55904), (1747, 50080), (2504, 34940), (3130, 27952), (3494, 25040), (5008, 17470), (6260, 13976), (6988, 12520), (8735, 10016)]