28525120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6887

約数の個数: 56

約数和(自身を含む): 73161144

約数和(自身を除く): 44636024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 6857, 13714, 27428, 34285, 54856, 68570, 89141, 109712, 137140, 178282, 219424, 274280, 356564, 438848, 445705, 548560, 713128, 891410, 1097120, 1426256, 1782820, 2194240, 2852512, 3565640, 5705024, 7131280, 14262560, 28525120]

約数ペア:

[(1, 28525120), (2, 14262560), (4, 7131280), (5, 5705024), (8, 3565640), (10, 2852512), (13, 2194240), (16, 1782820), (20, 1426256), (26, 1097120), (32, 891410), (40, 713128), (52, 548560), (64, 445705), (65, 438848), (80, 356564), (104, 274280), (130, 219424), (160, 178282), (208, 137140), (260, 109712), (320, 89141), (416, 68570), (520, 54856), (832, 34285), (1040, 27428), (2080, 13714), (4160, 6857)]