80728820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 175687680

約数和(自身を除く): 94958860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 127, 148, 185, 254, 370, 508, 635, 740, 859, 1270, 1718, 2540, 3436, 4295, 4699, 8590, 9398, 17180, 18796, 23495, 31783, 46990, 63566, 93980, 109093, 127132, 158915, 218186, 317830, 436372, 545465, 635660, 1090930, 2181860, 4036441, 8072882, 16145764, 20182205, 40364410, 80728820]

約数ペア:

[(1, 80728820), (2, 40364410), (4, 20182205), (5, 16145764), (10, 8072882), (20, 4036441), (37, 2181860), (74, 1090930), (127, 635660), (148, 545465), (185, 436372), (254, 317830), (370, 218186), (508, 158915), (635, 127132), (740, 109093), (859, 93980), (1270, 63566), (1718, 46990), (2540, 31783), (3436, 23495), (4295, 18796), (4699, 17180), (8590, 9398)]