64145000

素因数分解:

$2^3\times 5^4\times {\mathrm{12829}}^1$

素因数の和:12855

約数の個数: 40

約数和(自身を含む): 150303450

約数和(自身を除く): 86158450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 12829, 25658, 51316, 64145, 102632, 128290, 256580, 320725, 513160, 641450, 1282900, 1603625, 2565800, 3207250, 6414500, 8018125, 12829000, 16036250, 32072500, 64145000]

約数ペア:

[(1, 64145000), (2, 32072500), (4, 16036250), (5, 12829000), (8, 8018125), (10, 6414500), (20, 3207250), (25, 2565800), (40, 1603625), (50, 1282900), (100, 641450), (125, 513160), (200, 320725), (250, 256580), (500, 128290), (625, 102632), (1000, 64145), (1250, 51316), (2500, 25658), (5000, 12829)]