26980250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{9811}}^1$

素因数の和:9839

約数の個数: 32

約数和(自身を含む): 55104192

約数和(自身を除く): 28123942

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 9811, 19622, 49055, 98110, 107921, 215842, 245275, 490550, 539605, 1079210, 1226375, 2452750, 2698025, 5396050, 13490125, 26980250]

約数ペア:

[(1, 26980250), (2, 13490125), (5, 5396050), (10, 2698025), (11, 2452750), (22, 1226375), (25, 1079210), (50, 539605), (55, 490550), (110, 245275), (125, 215842), (250, 107921), (275, 98110), (550, 49055), (1375, 19622), (2750, 9811)]