905320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1741}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 2194920

約数和(自身を除く): 1289600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1741, 3482, 6964, 8705, 13928, 17410, 22633, 34820, 45266, 69640, 90532, 113165, 181064, 226330, 452660, 905320]

約数ペア:

[(1, 905320), (2, 452660), (4, 226330), (5, 181064), (8, 113165), (10, 90532), (13, 69640), (20, 45266), (26, 34820), (40, 22633), (52, 17410), (65, 13928), (104, 8705), (130, 6964), (260, 3482), (520, 1741)]