7864000

素因数分解:

$2^6\times 5^3\times {\mathrm{983}}^1$

素因数の和:1010

約数の個数: 56

約数和(自身を含む): 19495008

約数和(自身を除く): 11631008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 983, 1000, 1600, 1966, 2000, 3932, 4000, 4915, 7864, 8000, 9830, 15728, 19660, 24575, 31456, 39320, 49150, 62912, 78640, 98300, 122875, 157280, 196600, 245750, 314560, 393200, 491500, 786400, 983000, 1572800, 1966000, 3932000, 7864000]

約数ペア:

[(1, 7864000), (2, 3932000), (4, 1966000), (5, 1572800), (8, 983000), (10, 786400), (16, 491500), (20, 393200), (25, 314560), (32, 245750), (40, 196600), (50, 157280), (64, 122875), (80, 98300), (100, 78640), (125, 62912), (160, 49150), (200, 39320), (250, 31456), (320, 24575), (400, 19660), (500, 15728), (800, 9830), (983, 8000), (1000, 7864), (1600, 4915), (1966, 4000), (2000, 3932)]