171401320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104513}}^1$

素因数の和:104565

約数の個数: 32

約数和(自身を含む): 395062920

約数和(自身を除く): 223661600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 104513, 209026, 418052, 522565, 836104, 1045130, 2090260, 4180520, 4285033, 8570066, 17140132, 21425165, 34280264, 42850330, 85700660, 171401320]

約数ペア:

[(1, 171401320), (2, 85700660), (4, 42850330), (5, 34280264), (8, 21425165), (10, 17140132), (20, 8570066), (40, 4285033), (41, 4180520), (82, 2090260), (164, 1045130), (205, 836104), (328, 522565), (410, 418052), (820, 209026), (1640, 104513)]