38169640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 89164800

約数和(自身を除く): 50995160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 257, 316, 376, 395, 470, 514, 632, 790, 940, 1028, 1285, 1580, 1880, 2056, 2570, 3160, 3713, 5140, 7426, 10280, 12079, 14852, 18565, 20303, 24158, 29704, 37130, 40606, 48316, 60395, 74260, 81212, 96632, 101515, 120790, 148520, 162424, 203030, 241580, 406060, 483160, 812120, 954241, 1908482, 3816964, 4771205, 7633928, 9542410, 19084820, 38169640]

約数ペア:

[(1, 38169640), (2, 19084820), (4, 9542410), (5, 7633928), (8, 4771205), (10, 3816964), (20, 1908482), (40, 954241), (47, 812120), (79, 483160), (94, 406060), (158, 241580), (188, 203030), (235, 162424), (257, 148520), (316, 120790), (376, 101515), (395, 96632), (470, 81212), (514, 74260), (632, 60395), (790, 48316), (940, 40606), (1028, 37130), (1285, 29704), (1580, 24158), (1880, 20303), (2056, 18565), (2570, 14852), (3160, 12079), (3713, 10280), (5140, 7426)]