12910640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2273}}^1$

素因数の和:2357

約数の個数: 40

約数和(自身を含む): 30453408

約数和(自身を除く): 17542768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2273, 2840, 4546, 5680, 9092, 11365, 18184, 22730, 36368, 45460, 90920, 161383, 181840, 322766, 645532, 806915, 1291064, 1613830, 2582128, 3227660, 6455320, 12910640]

約数ペア:

[(1, 12910640), (2, 6455320), (4, 3227660), (5, 2582128), (8, 1613830), (10, 1291064), (16, 806915), (20, 645532), (40, 322766), (71, 181840), (80, 161383), (142, 90920), (284, 45460), (355, 36368), (568, 22730), (710, 18184), (1136, 11365), (1420, 9092), (2273, 5680), (2840, 4546)]