25288945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 36957888

約数和(自身を除く): 11668943

約数列:

[1, 5, 11, 17, 37, 43, 55, 85, 185, 187, 215, 289, 407, 473, 629, 731, 935, 1445, 1591, 2035, 2365, 3145, 3179, 3655, 6919, 7955, 8041, 10693, 12427, 15895, 17501, 27047, 34595, 40205, 53465, 62135, 87505, 117623, 135235, 136697, 297517, 459799, 588115, 683485, 1487585, 2298995, 5057789, 25288945]

約数ペア:

[(1, 25288945), (5, 5057789), (11, 2298995), (17, 1487585), (37, 683485), (43, 588115), (55, 459799), (85, 297517), (185, 136697), (187, 135235), (215, 117623), (289, 87505), (407, 62135), (473, 53465), (629, 40205), (731, 34595), (935, 27047), (1445, 17501), (1591, 15895), (2035, 12427), (2365, 10693), (3145, 8041), (3179, 7955), (3655, 6919)]