38513720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 99601920

約数和(自身を除く): 61088200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 523, 526, 1046, 1052, 1315, 1841, 2092, 2104, 2615, 2630, 3661, 3682, 4184, 5230, 5260, 7322, 7364, 9205, 10460, 10520, 14644, 14728, 18305, 18410, 20920, 29288, 36610, 36820, 73220, 73640, 137549, 146440, 275098, 550196, 687745, 962843, 1100392, 1375490, 1925686, 2750980, 3851372, 4814215, 5501960, 7702744, 9628430, 19256860, 38513720]

約数ペア:

[(1, 38513720), (2, 19256860), (4, 9628430), (5, 7702744), (7, 5501960), (8, 4814215), (10, 3851372), (14, 2750980), (20, 1925686), (28, 1375490), (35, 1100392), (40, 962843), (56, 687745), (70, 550196), (140, 275098), (263, 146440), (280, 137549), (523, 73640), (526, 73220), (1046, 36820), (1052, 36610), (1315, 29288), (1841, 20920), (2092, 18410), (2104, 18305), (2615, 14728), (2630, 14644), (3661, 10520), (3682, 10460), (4184, 9205), (5230, 7364), (5260, 7322)]