25905110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 35680810

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 1979, 2618, 3958, 6545, 9895, 13090, 13853, 19790, 21769, 27706, 33643, 43538, 67286, 69265, 108845, 138530, 152383, 168215, 217690, 235501, 304766, 336430, 370073, 471002, 740146, 761915, 1177505, 1523830, 1850365, 2355010, 2590511, 3700730, 5181022, 12952555, 25905110]

約数ペア:

[(1, 25905110), (2, 12952555), (5, 5181022), (7, 3700730), (10, 2590511), (11, 2355010), (14, 1850365), (17, 1523830), (22, 1177505), (34, 761915), (35, 740146), (55, 471002), (70, 370073), (77, 336430), (85, 304766), (110, 235501), (119, 217690), (154, 168215), (170, 152383), (187, 138530), (238, 108845), (374, 69265), (385, 67286), (595, 43538), (770, 33643), (935, 27706), (1190, 21769), (1309, 19790), (1870, 13853), (1979, 13090), (2618, 9895), (3958, 6545)]