80390128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55213}}^1$

素因数の和:55241

約数の個数: 40

約数和(自身を含む): 191703008

約数和(自身を除く): 111312880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55213, 110426, 220852, 386491, 441704, 717769, 772982, 883408, 1435538, 1545964, 2871076, 3091928, 5024383, 5742152, 6183856, 10048766, 11484304, 20097532, 40195064, 80390128]

約数ペア:

[(1, 80390128), (2, 40195064), (4, 20097532), (7, 11484304), (8, 10048766), (13, 6183856), (14, 5742152), (16, 5024383), (26, 3091928), (28, 2871076), (52, 1545964), (56, 1435538), (91, 883408), (104, 772982), (112, 717769), (182, 441704), (208, 386491), (364, 220852), (728, 110426), (1456, 55213)]