16782040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 42197760

約数和(自身を除く): 25415720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 887, 946, 1720, 1774, 1892, 2365, 3548, 3784, 4435, 4730, 7096, 8870, 9460, 9757, 17740, 18920, 19514, 35480, 38141, 39028, 48785, 76282, 78056, 97570, 152564, 190705, 195140, 305128, 381410, 390280, 419551, 762820, 839102, 1525640, 1678204, 2097755, 3356408, 4195510, 8391020, 16782040]

約数ペア:

[(1, 16782040), (2, 8391020), (4, 4195510), (5, 3356408), (8, 2097755), (10, 1678204), (11, 1525640), (20, 839102), (22, 762820), (40, 419551), (43, 390280), (44, 381410), (55, 305128), (86, 195140), (88, 190705), (110, 152564), (172, 97570), (215, 78056), (220, 76282), (344, 48785), (430, 39028), (440, 38141), (473, 35480), (860, 19514), (887, 18920), (946, 17740), (1720, 9757), (1774, 9460), (1892, 8870), (2365, 7096), (3548, 4730), (3784, 4435)]