39394000

素因数分解:

$2^4\times 5^3\times {\mathrm{19697}}^1$

素因数の和:19720

約数の個数: 40

約数和(自身を含む): 95259528

約数和(自身を除く): 55865528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 19697, 39394, 78788, 98485, 157576, 196970, 315152, 393940, 492425, 787880, 984850, 1575760, 1969700, 2462125, 3939400, 4924250, 7878800, 9848500, 19697000, 39394000]

約数ペア:

[(1, 39394000), (2, 19697000), (4, 9848500), (5, 7878800), (8, 4924250), (10, 3939400), (16, 2462125), (20, 1969700), (25, 1575760), (40, 984850), (50, 787880), (80, 492425), (100, 393940), (125, 315152), (200, 196970), (250, 157576), (400, 98485), (500, 78788), (1000, 39394), (2000, 19697)]