17962720

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 42810768

約数和(自身を除く): 24848048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 857, 1048, 1310, 1714, 2096, 2620, 3428, 4192, 4285, 5240, 6856, 8570, 10480, 13712, 17140, 20960, 27424, 34280, 68560, 112267, 137120, 224534, 449068, 561335, 898136, 1122670, 1796272, 2245340, 3592544, 4490680, 8981360, 17962720]

約数ペア:

[(1, 17962720), (2, 8981360), (4, 4490680), (5, 3592544), (8, 2245340), (10, 1796272), (16, 1122670), (20, 898136), (32, 561335), (40, 449068), (80, 224534), (131, 137120), (160, 112267), (262, 68560), (524, 34280), (655, 27424), (857, 20960), (1048, 17140), (1310, 13712), (1714, 10480), (2096, 8570), (2620, 6856), (3428, 5240), (4192, 4285)]