25018475

素因数分解:

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

素因数の和:144

約数の個数: 36

約数和(自身を含む): 34544664

約数和(自身を除く): 9526189

約数列:

[1, 5, 17, 25, 37, 43, 85, 185, 215, 425, 629, 731, 925, 1075, 1369, 1591, 3145, 3655, 6845, 7955, 15725, 18275, 23273, 27047, 34225, 39775, 58867, 116365, 135235, 294335, 581825, 676175, 1000739, 1471675, 5003695, 25018475]

約数ペア:

[(1, 25018475), (5, 5003695), (17, 1471675), (25, 1000739), (37, 676175), (43, 581825), (85, 294335), (185, 135235), (215, 116365), (425, 58867), (629, 39775), (731, 34225), (925, 27047), (1075, 23273), (1369, 18275), (1591, 15725), (3145, 7955), (3655, 6845)]