208025320

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9613}}^1$

素因数の和:10165

約数の個数: 32

約数和(自身を含む): 468970920

約数和(自身を除く): 260945600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9613, 10820, 19226, 21640, 38452, 48065, 76904, 96130, 192260, 384520, 5200633, 10401266, 20802532, 26003165, 41605064, 52006330, 104012660, 208025320]

約数ペア:

[(1, 208025320), (2, 104012660), (4, 52006330), (5, 41605064), (8, 26003165), (10, 20802532), (20, 10401266), (40, 5200633), (541, 384520), (1082, 192260), (2164, 96130), (2705, 76904), (4328, 48065), (5410, 38452), (9613, 21640), (10820, 19226)]