38405840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2297}}^1$

素因数の和:2340

約数の個数: 80

約数和(自身を含む): 102582720

約数和(自身を除く): 64176880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 2297, 3344, 4180, 4594, 8360, 9188, 11485, 16720, 18376, 22970, 25267, 36752, 43643, 45940, 50534, 87286, 91880, 101068, 126335, 174572, 183760, 202136, 218215, 252670, 349144, 404272, 436430, 480073, 505340, 698288, 872860, 960146, 1010680, 1745720, 1920292, 2021360, 2400365, 3491440, 3840584, 4800730, 7681168, 9601460, 19202920, 38405840]

約数ペア:

[(1, 38405840), (2, 19202920), (4, 9601460), (5, 7681168), (8, 4800730), (10, 3840584), (11, 3491440), (16, 2400365), (19, 2021360), (20, 1920292), (22, 1745720), (38, 1010680), (40, 960146), (44, 872860), (55, 698288), (76, 505340), (80, 480073), (88, 436430), (95, 404272), (110, 349144), (152, 252670), (176, 218215), (190, 202136), (209, 183760), (220, 174572), (304, 126335), (380, 101068), (418, 91880), (440, 87286), (760, 50534), (836, 45940), (880, 43643), (1045, 36752), (1520, 25267), (1672, 22970), (2090, 18376), (2297, 16720), (3344, 11485), (4180, 9188), (4594, 8360)]