28033360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18443}}^1$

素因数の和:18475

約数の個数: 40

約数和(自身を含む): 68611680

約数和(自身を除く): 40578320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18443, 36886, 73772, 92215, 147544, 184430, 295088, 350417, 368860, 700834, 737720, 1401668, 1475440, 1752085, 2803336, 3504170, 5606672, 7008340, 14016680, 28033360]

約数ペア:

[(1, 28033360), (2, 14016680), (4, 7008340), (5, 5606672), (8, 3504170), (10, 2803336), (16, 1752085), (19, 1475440), (20, 1401668), (38, 737720), (40, 700834), (76, 368860), (80, 350417), (95, 295088), (152, 184430), (190, 147544), (304, 92215), (380, 73772), (760, 36886), (1520, 18443)]