39930880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:745

約数の個数: 88

約数和(自身を含む): 104642640

約数和(自身を除く): 64711760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 709, 880, 1024, 1280, 1408, 1418, 1760, 2560, 2816, 2836, 3520, 3545, 5120, 5632, 5672, 7040, 7090, 7799, 11264, 11344, 14080, 14180, 15598, 22688, 28160, 28360, 31196, 38995, 45376, 56320, 56720, 62392, 77990, 90752, 113440, 124784, 155980, 181504, 226880, 249568, 311960, 363008, 453760, 499136, 623920, 726016, 907520, 998272, 1247840, 1815040, 1996544, 2495680, 3630080, 3993088, 4991360, 7986176, 9982720, 19965440, 39930880]

約数ペア:

[(1, 39930880), (2, 19965440), (4, 9982720), (5, 7986176), (8, 4991360), (10, 3993088), (11, 3630080), (16, 2495680), (20, 1996544), (22, 1815040), (32, 1247840), (40, 998272), (44, 907520), (55, 726016), (64, 623920), (80, 499136), (88, 453760), (110, 363008), (128, 311960), (160, 249568), (176, 226880), (220, 181504), (256, 155980), (320, 124784), (352, 113440), (440, 90752), (512, 77990), (640, 62392), (704, 56720), (709, 56320), (880, 45376), (1024, 38995), (1280, 31196), (1408, 28360), (1418, 28160), (1760, 22688), (2560, 15598), (2816, 14180), (2836, 14080), (3520, 11344), (3545, 11264), (5120, 7799), (5632, 7090), (5672, 7040)]