8158000

素因数分解:

$2^4\times 5^3\times {\mathrm{4079}}^1$

素因数の和:4102

約数の個数: 40

約数和(自身を含む): 19730880

約数和(自身を除く): 11572880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4079, 8158, 16316, 20395, 32632, 40790, 65264, 81580, 101975, 163160, 203950, 326320, 407900, 509875, 815800, 1019750, 1631600, 2039500, 4079000, 8158000]

約数ペア:

[(1, 8158000), (2, 4079000), (4, 2039500), (5, 1631600), (8, 1019750), (10, 815800), (16, 509875), (20, 407900), (25, 326320), (40, 203950), (50, 163160), (80, 101975), (100, 81580), (125, 65264), (200, 40790), (250, 32632), (400, 20395), (500, 16316), (1000, 8158), (2000, 4079)]