2251475620

素因数分解:

$2^2\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{36209}}^1$

素因数の和:39327

約数の個数: 24

約数和(自身を含む): 4729750200

約数和(自身を除く): 2478274580

約数列:

[1, 2, 4, 5, 10, 20, 3109, 6218, 12436, 15545, 31090, 36209, 62180, 72418, 144836, 181045, 362090, 724180, 112573781, 225147562, 450295124, 562868905, 1125737810, 2251475620]

約数ペア:

[(1, 2251475620), (2, 1125737810), (4, 562868905), (5, 450295124), (10, 225147562), (20, 112573781), (3109, 724180), (6218, 362090), (12436, 181045), (15545, 144836), (31090, 72418), (36209, 62180)]