9781768180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1327}}^1\times {\mathrm{5501}}^1$

素因数の和:6904

約数の個数: 48

約数和(自身を含む): 20867809536

約数和(自身を除く): 11086041356

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1327, 1340, 2654, 5308, 5501, 6635, 11002, 13270, 22004, 26540, 27505, 55010, 88909, 110020, 177818, 355636, 368567, 444545, 737134, 889090, 1474268, 1778180, 1842835, 3685670, 7299827, 7371340, 14599654, 29199308, 36499135, 72998270, 145996540, 489088409, 978176818, 1956353636, 2445442045, 4890884090, 9781768180]

約数ペア:

[(1, 9781768180), (2, 4890884090), (4, 2445442045), (5, 1956353636), (10, 978176818), (20, 489088409), (67, 145996540), (134, 72998270), (268, 36499135), (335, 29199308), (670, 14599654), (1327, 7371340), (1340, 7299827), (2654, 3685670), (5308, 1842835), (5501, 1778180), (6635, 1474268), (11002, 889090), (13270, 737134), (22004, 444545), (26540, 368567), (27505, 355636), (55010, 177818), (88909, 110020)]