28349360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27259}}^1$

素因数の和:27285

約数の個数: 40

約数和(自身を含む): 70985040

約数和(自身を除く): 42635680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27259, 54518, 109036, 136295, 218072, 272590, 354367, 436144, 545180, 708734, 1090360, 1417468, 1771835, 2180720, 2834936, 3543670, 5669872, 7087340, 14174680, 28349360]

約数ペア:

[(1, 28349360), (2, 14174680), (4, 7087340), (5, 5669872), (8, 3543670), (10, 2834936), (13, 2180720), (16, 1771835), (20, 1417468), (26, 1090360), (40, 708734), (52, 545180), (65, 436144), (80, 354367), (104, 272590), (130, 218072), (208, 136295), (260, 109036), (520, 54518), (1040, 27259)]