30187280

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{941}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 70435224

約数和(自身を除く): 40247944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 941, 1604, 1882, 2005, 3208, 3764, 4010, 4705, 6416, 7528, 8020, 9410, 15056, 16040, 18820, 32080, 37640, 75280, 377341, 754682, 1509364, 1886705, 3018728, 3773410, 6037456, 7546820, 15093640, 30187280]

約数ペア:

[(1, 30187280), (2, 15093640), (4, 7546820), (5, 6037456), (8, 3773410), (10, 3018728), (16, 1886705), (20, 1509364), (40, 754682), (80, 377341), (401, 75280), (802, 37640), (941, 32080), (1604, 18820), (1882, 16040), (2005, 15056), (3208, 9410), (3764, 8020), (4010, 7528), (4705, 6416)]