25110940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 55802880

約数和(自身を除く): 30691940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 691, 790, 1382, 1580, 1817, 2764, 3455, 3634, 6910, 7268, 9085, 13820, 15893, 18170, 31786, 36340, 54589, 63572, 79465, 109178, 158930, 218356, 272945, 317860, 545890, 1091780, 1255547, 2511094, 5022188, 6277735, 12555470, 25110940]

約数ペア:

[(1, 25110940), (2, 12555470), (4, 6277735), (5, 5022188), (10, 2511094), (20, 1255547), (23, 1091780), (46, 545890), (79, 317860), (92, 272945), (115, 218356), (158, 158930), (230, 109178), (316, 79465), (395, 63572), (460, 54589), (691, 36340), (790, 31786), (1382, 18170), (1580, 15893), (1817, 13820), (2764, 9085), (3455, 7268), (3634, 6910)]