25249328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6429

約数の個数: 40

約数和(自身を含む): 55465200

約数和(自身を除く): 30215872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6389, 12778, 25556, 51112, 83057, 102224, 121391, 166114, 242782, 332228, 485564, 664456, 971128, 1328912, 1578083, 1942256, 3156166, 6312332, 12624664, 25249328]

約数ペア:

[(1, 25249328), (2, 12624664), (4, 6312332), (8, 3156166), (13, 1942256), (16, 1578083), (19, 1328912), (26, 971128), (38, 664456), (52, 485564), (76, 332228), (104, 242782), (152, 166114), (208, 121391), (247, 102224), (304, 83057), (494, 51112), (988, 25556), (1976, 12778), (3952, 6389)]