38649880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23567}}^1$

素因数の和:23619

約数の個数: 32

約数和(自身を含む): 89087040

約数和(自身を除く): 50437160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 23567, 47134, 94268, 117835, 188536, 235670, 471340, 942680, 966247, 1932494, 3864988, 4831235, 7729976, 9662470, 19324940, 38649880]

約数ペア:

[(1, 38649880), (2, 19324940), (4, 9662470), (5, 7729976), (8, 4831235), (10, 3864988), (20, 1932494), (40, 966247), (41, 942680), (82, 471340), (164, 235670), (205, 188536), (328, 117835), (410, 94268), (820, 47134), (1640, 23567)]