39916910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 44063890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 142, 190, 209, 269, 355, 418, 538, 710, 781, 1045, 1345, 1349, 1562, 2090, 2690, 2698, 2959, 3905, 5111, 5918, 6745, 7810, 10222, 13490, 14795, 14839, 19099, 25555, 29590, 29678, 38198, 51110, 56221, 74195, 95495, 112442, 148390, 190990, 210089, 281105, 362881, 420178, 562210, 725762, 1050445, 1814405, 2100890, 3628810, 3991691, 7983382, 19958455, 39916910]

約数ペア:

[(1, 39916910), (2, 19958455), (5, 7983382), (10, 3991691), (11, 3628810), (19, 2100890), (22, 1814405), (38, 1050445), (55, 725762), (71, 562210), (95, 420178), (110, 362881), (142, 281105), (190, 210089), (209, 190990), (269, 148390), (355, 112442), (418, 95495), (538, 74195), (710, 56221), (781, 51110), (1045, 38198), (1345, 29678), (1349, 29590), (1562, 25555), (2090, 19099), (2690, 14839), (2698, 14795), (2959, 13490), (3905, 10222), (5111, 7810), (5918, 6745)]