25140440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3719}}^1$

素因数の和:3756

約数の個数: 48

約数和(自身を含む): 61268400

約数和(自身を除く): 36127960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 3719, 6760, 7438, 14876, 18595, 29752, 37190, 48347, 74380, 96694, 148760, 193388, 241735, 386776, 483470, 628511, 966940, 1257022, 1933880, 2514044, 3142555, 5028088, 6285110, 12570220, 25140440]

約数ペア:

[(1, 25140440), (2, 12570220), (4, 6285110), (5, 5028088), (8, 3142555), (10, 2514044), (13, 1933880), (20, 1257022), (26, 966940), (40, 628511), (52, 483470), (65, 386776), (104, 241735), (130, 193388), (169, 148760), (260, 96694), (338, 74380), (520, 48347), (676, 37190), (845, 29752), (1352, 18595), (1690, 14876), (3380, 7438), (3719, 6760)]