420568000

素因数分解:

$2^6\times 5^3\times {\mathrm{52571}}^1$

素因数の和:52598

約数の個数: 56

約数和(自身を含む): 1041556464

約数和(自身を除く): 620988464

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, 1000, 1600, 2000, 4000, 8000, 52571, 105142, 210284, 262855, 420568, 525710, 841136, 1051420, 1314275, 1682272, 2102840, 2628550, 3364544, 4205680, 5257100, 6571375, 8411360, 10514200, 13142750, 16822720, 21028400, 26285500, 42056800, 52571000, 84113600, 105142000, 210284000, 420568000]

約数ペア:

[(1, 420568000), (2, 210284000), (4, 105142000), (5, 84113600), (8, 52571000), (10, 42056800), (16, 26285500), (20, 21028400), (25, 16822720), (32, 13142750), (40, 10514200), (50, 8411360), (64, 6571375), (80, 5257100), (100, 4205680), (125, 3364544), (160, 2628550), (200, 2102840), (250, 1682272), (320, 1314275), (400, 1051420), (500, 841136), (800, 525710), (1000, 420568), (1600, 262855), (2000, 210284), (4000, 105142), (8000, 52571)]