39135920

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1949}}^1$

素因数の和:2213

約数の個数: 40

約数和(自身を含む): 91400400

約数和(自身を除く): 52264480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 1949, 2008, 2510, 3898, 4016, 5020, 7796, 9745, 10040, 15592, 19490, 20080, 31184, 38980, 77960, 155920, 489199, 978398, 1956796, 2445995, 3913592, 4891990, 7827184, 9783980, 19567960, 39135920]

約数ペア:

[(1, 39135920), (2, 19567960), (4, 9783980), (5, 7827184), (8, 4891990), (10, 3913592), (16, 2445995), (20, 1956796), (40, 978398), (80, 489199), (251, 155920), (502, 77960), (1004, 38980), (1255, 31184), (1949, 20080), (2008, 19490), (2510, 15592), (3898, 10040), (4016, 9745), (5020, 7796)]