205514874940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2351}}^1\times {\mathrm{16619}}^1$

素因数の和:19242

約数の個数: 48

約数和(自身を含む): 433432581120

約数和(自身を除く): 227917706180

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2351, 2630, 4702, 5260, 9404, 11755, 16619, 23510, 33238, 47020, 66476, 83095, 166190, 332380, 618313, 1236626, 2473252, 3091565, 4370797, 6183130, 8741594, 12366260, 17483188, 21853985, 39071269, 43707970, 78142538, 87415940, 156285076, 195356345, 390712690, 781425380, 10275743747, 20551487494, 41102974988, 51378718735, 102757437470, 205514874940]

約数ペア:

[(1, 205514874940), (2, 102757437470), (4, 51378718735), (5, 41102974988), (10, 20551487494), (20, 10275743747), (263, 781425380), (526, 390712690), (1052, 195356345), (1315, 156285076), (2351, 87415940), (2630, 78142538), (4702, 43707970), (5260, 39071269), (9404, 21853985), (11755, 17483188), (16619, 12366260), (23510, 8741594), (33238, 6183130), (47020, 4370797), (66476, 3091565), (83095, 2473252), (166190, 1236626), (332380, 618313)]