51509480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 127370880

約数和(自身を除く): 75861400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 701, 835, 1336, 1402, 1670, 1837, 2804, 3340, 3505, 3674, 5608, 6680, 7010, 7348, 7711, 9185, 14020, 14696, 15422, 18370, 28040, 30844, 36740, 38555, 61688, 73480, 77110, 117067, 154220, 234134, 308440, 468268, 585335, 936536, 1170670, 1287737, 2341340, 2575474, 4682680, 5150948, 6438685, 10301896, 12877370, 25754740, 51509480]

約数ペア:

[(1, 51509480), (2, 25754740), (4, 12877370), (5, 10301896), (8, 6438685), (10, 5150948), (11, 4682680), (20, 2575474), (22, 2341340), (40, 1287737), (44, 1170670), (55, 936536), (88, 585335), (110, 468268), (167, 308440), (220, 234134), (334, 154220), (440, 117067), (668, 77110), (701, 73480), (835, 61688), (1336, 38555), (1402, 36740), (1670, 30844), (1837, 28040), (2804, 18370), (3340, 15422), (3505, 14696), (3674, 14020), (5608, 9185), (6680, 7711), (7010, 7348)]