4981220

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{947}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 10511424

約数和(自身を除く): 5530204

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 947, 1052, 1315, 1894, 2630, 3788, 4735, 5260, 9470, 18940, 249061, 498122, 996244, 1245305, 2490610, 4981220]

約数ペア:

[(1, 4981220), (2, 2490610), (4, 1245305), (5, 996244), (10, 498122), (20, 249061), (263, 18940), (526, 9470), (947, 5260), (1052, 4735), (1315, 3788), (1894, 2630)]