25808860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16759}}^1$

素因数の和:16786

約数の個数: 48

約数和(自身を含む): 67576320

約数和(自身を除く): 41767460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16759, 33518, 67036, 83795, 117313, 167590, 184349, 234626, 335180, 368698, 469252, 586565, 737396, 921745, 1173130, 1290443, 1843490, 2346260, 2580886, 3686980, 5161772, 6452215, 12904430, 25808860]

約数ペア:

[(1, 25808860), (2, 12904430), (4, 6452215), (5, 5161772), (7, 3686980), (10, 2580886), (11, 2346260), (14, 1843490), (20, 1290443), (22, 1173130), (28, 921745), (35, 737396), (44, 586565), (55, 469252), (70, 368698), (77, 335180), (110, 234626), (140, 184349), (154, 167590), (220, 117313), (308, 83795), (385, 67036), (770, 33518), (1540, 16759)]