15720110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3163}}^1$

素因数の和:3248

約数の個数: 32

約数和(自身を含む): 32804352

約数和(自身を除く): 17084242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 3163, 4970, 6326, 15815, 22141, 31630, 44282, 110705, 221410, 224573, 449146, 1122865, 1572011, 2245730, 3144022, 7860055, 15720110]

約数ペア:

[(1, 15720110), (2, 7860055), (5, 3144022), (7, 2245730), (10, 1572011), (14, 1122865), (35, 449146), (70, 224573), (71, 221410), (142, 110705), (355, 44282), (497, 31630), (710, 22141), (994, 15815), (2485, 6326), (3163, 4970)]