39917240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 98638560

約数和(自身を除く): 58721320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 353, 440, 514, 706, 1028, 1285, 1412, 1765, 2056, 2570, 2824, 2827, 3530, 3883, 5140, 5654, 7060, 7766, 10280, 11308, 14120, 14135, 15532, 19415, 22616, 28270, 31064, 38830, 56540, 77660, 90721, 113080, 155320, 181442, 362884, 453605, 725768, 907210, 997931, 1814420, 1995862, 3628840, 3991724, 4989655, 7983448, 9979310, 19958620, 39917240]

約数ペア:

[(1, 39917240), (2, 19958620), (4, 9979310), (5, 7983448), (8, 4989655), (10, 3991724), (11, 3628840), (20, 1995862), (22, 1814420), (40, 997931), (44, 907210), (55, 725768), (88, 453605), (110, 362884), (220, 181442), (257, 155320), (353, 113080), (440, 90721), (514, 77660), (706, 56540), (1028, 38830), (1285, 31064), (1412, 28270), (1765, 22616), (2056, 19415), (2570, 15532), (2824, 14135), (2827, 14120), (3530, 11308), (3883, 10280), (5140, 7766), (5654, 7060)]