1966000

素因数分解:

$2^4\times 5^3\times {\mathrm{983}}^1$

素因数の和:1006

約数の個数: 40

約数和(自身を含む): 4758624

約数和(自身を除く): 2792624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 983, 1000, 1966, 2000, 3932, 4915, 7864, 9830, 15728, 19660, 24575, 39320, 49150, 78640, 98300, 122875, 196600, 245750, 393200, 491500, 983000, 1966000]

約数ペア:

[(1, 1966000), (2, 983000), (4, 491500), (5, 393200), (8, 245750), (10, 196600), (16, 122875), (20, 98300), (25, 78640), (40, 49150), (50, 39320), (80, 24575), (100, 19660), (125, 15728), (200, 9830), (250, 7864), (400, 4915), (500, 3932), (983, 2000), (1000, 1966)]