17973640

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{701}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 40561560

約数和(自身を除く): 22587920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 701, 1282, 1402, 2564, 2804, 3205, 3505, 5128, 5608, 6410, 7010, 12820, 14020, 25640, 28040, 449341, 898682, 1797364, 2246705, 3594728, 4493410, 8986820, 17973640]

約数ペア:

[(1, 17973640), (2, 8986820), (4, 4493410), (5, 3594728), (8, 2246705), (10, 1797364), (20, 898682), (40, 449341), (641, 28040), (701, 25640), (1282, 14020), (1402, 12820), (2564, 7010), (2804, 6410), (3205, 5608), (3505, 5128)]