28205120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4639}}^1$

素因数の和:4675

約数の個数: 56

約数和(自身を含む): 70713600

約数和(自身を除く): 42508480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 4639, 6080, 9278, 18556, 23195, 37112, 46390, 74224, 88141, 92780, 148448, 176282, 185560, 296896, 352564, 371120, 440705, 705128, 742240, 881410, 1410256, 1484480, 1762820, 2820512, 3525640, 5641024, 7051280, 14102560, 28205120]

約数ペア:

[(1, 28205120), (2, 14102560), (4, 7051280), (5, 5641024), (8, 3525640), (10, 2820512), (16, 1762820), (19, 1484480), (20, 1410256), (32, 881410), (38, 742240), (40, 705128), (64, 440705), (76, 371120), (80, 352564), (95, 296896), (152, 185560), (160, 176282), (190, 148448), (304, 92780), (320, 88141), (380, 74224), (608, 46390), (760, 37112), (1216, 23195), (1520, 18556), (3040, 9278), (4639, 6080)]