2816408720

素因数分解:

$2^4\times 5^1\times {\mathrm{35205109}}^1$

素因数の和:35205122

約数の個数: 20

約数和(自身を含む): 6548150460

約数和(自身を除く): 3731741740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35205109, 70410218, 140820436, 176025545, 281640872, 352051090, 563281744, 704102180, 1408204360, 2816408720]

約数ペア:

[(1, 2816408720), (2, 1408204360), (4, 704102180), (5, 563281744), (8, 352051090), (10, 281640872), (16, 176025545), (20, 140820436), (40, 70410218), (80, 35205109)]