25707110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17977}}^1$

素因数の和:18008

約数の個数: 32

約数和(自身を含む): 54365472

約数和(自身を除く): 28658362

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17977, 35954, 89885, 179770, 197747, 233701, 395494, 467402, 988735, 1168505, 1977470, 2337010, 2570711, 5141422, 12853555, 25707110]

約数ペア:

[(1, 25707110), (2, 12853555), (5, 5141422), (10, 2570711), (11, 2337010), (13, 1977470), (22, 1168505), (26, 988735), (55, 467402), (65, 395494), (110, 233701), (130, 197747), (143, 179770), (286, 89885), (715, 35954), (1430, 17977)]