25557375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 47623680

約数和(自身を除く): 22066305

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 211, 255, 285, 323, 375, 425, 475, 633, 969, 1055, 1275, 1425, 1615, 2125, 2375, 3165, 3587, 4009, 4845, 5275, 6375, 7125, 8075, 10761, 12027, 15825, 17935, 20045, 24225, 26375, 40375, 53805, 60135, 68153, 79125, 89675, 100225, 121125, 204459, 269025, 300675, 340765, 448375, 501125, 1022295, 1345125, 1503375, 1703825, 5111475, 8519125, 25557375]

約数ペア:

[(1, 25557375), (3, 8519125), (5, 5111475), (15, 1703825), (17, 1503375), (19, 1345125), (25, 1022295), (51, 501125), (57, 448375), (75, 340765), (85, 300675), (95, 269025), (125, 204459), (211, 121125), (255, 100225), (285, 89675), (323, 79125), (375, 68153), (425, 60135), (475, 53805), (633, 40375), (969, 26375), (1055, 24225), (1275, 20045), (1425, 17935), (1615, 15825), (2125, 12027), (2375, 10761), (3165, 8075), (3587, 7125), (4009, 6375), (4845, 5275)]