8920520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31859}}^1$

素因数の和:31877

約数の個数: 32

約数和(自身を含む): 22939200

約数和(自身を除く): 14018680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31859, 63718, 127436, 159295, 223013, 254872, 318590, 446026, 637180, 892052, 1115065, 1274360, 1784104, 2230130, 4460260, 8920520]

約数ペア:

[(1, 8920520), (2, 4460260), (4, 2230130), (5, 1784104), (7, 1274360), (8, 1115065), (10, 892052), (14, 637180), (20, 446026), (28, 318590), (35, 254872), (40, 223013), (56, 159295), (70, 127436), (140, 63718), (280, 31859)]