31600520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112859}}^1$

素因数の和:112877

約数の個数: 32

約数和(自身を含む): 81259200

約数和(自身を除く): 49658680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112859, 225718, 451436, 564295, 790013, 902872, 1128590, 1580026, 2257180, 3160052, 3950065, 4514360, 6320104, 7900130, 15800260, 31600520]

約数ペア:

[(1, 31600520), (2, 15800260), (4, 7900130), (5, 6320104), (7, 4514360), (8, 3950065), (10, 3160052), (14, 2257180), (20, 1580026), (28, 1128590), (35, 902872), (40, 790013), (56, 564295), (70, 451436), (140, 225718), (280, 112859)]