28315040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13613}}^1$

素因数の和:13641

約数の個数: 48

約数和(自身を含む): 72045288

約数和(自身を除く): 43730248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13613, 27226, 54452, 68065, 108904, 136130, 176969, 217808, 272260, 353938, 435616, 544520, 707876, 884845, 1089040, 1415752, 1769690, 2178080, 2831504, 3539380, 5663008, 7078760, 14157520, 28315040]

約数ペア:

[(1, 28315040), (2, 14157520), (4, 7078760), (5, 5663008), (8, 3539380), (10, 2831504), (13, 2178080), (16, 1769690), (20, 1415752), (26, 1089040), (32, 884845), (40, 707876), (52, 544520), (65, 435616), (80, 353938), (104, 272260), (130, 217808), (160, 176969), (208, 136130), (260, 108904), (416, 68065), (520, 54452), (1040, 27226), (2080, 13613)]