204558440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{32573}}^1$

素因数の和:32741

約数の個数: 32

約数和(自身を含む): 463202280

約数和(自身を除く): 258643840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 32573, 65146, 130292, 162865, 260584, 325730, 651460, 1302920, 5113961, 10227922, 20455844, 25569805, 40911688, 51139610, 102279220, 204558440]

約数ペア:

[(1, 204558440), (2, 102279220), (4, 51139610), (5, 40911688), (8, 25569805), (10, 20455844), (20, 10227922), (40, 5113961), (157, 1302920), (314, 651460), (628, 325730), (785, 260584), (1256, 162865), (1570, 130292), (3140, 65146), (6280, 32573)]