17959840

素因数分解:

$2^5\times 5^1\times {\mathrm{112249}}^1$

素因数の和:112264

約数の個数: 24

約数和(自身を含む): 42430500

約数和(自身を除く): 24470660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 112249, 224498, 448996, 561245, 897992, 1122490, 1795984, 2244980, 3591968, 4489960, 8979920, 17959840]

約数ペア:

[(1, 17959840), (2, 8979920), (4, 4489960), (5, 3591968), (8, 2244980), (10, 1795984), (16, 1122490), (20, 897992), (32, 561245), (40, 448996), (80, 224498), (160, 112249)]