25515875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 40168128

約数和(自身を除く): 14652253

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 125, 175, 241, 275, 385, 605, 847, 875, 1205, 1375, 1687, 1925, 2651, 3025, 4235, 6025, 8435, 9625, 13255, 15125, 18557, 21175, 29161, 30125, 42175, 66275, 92785, 105875, 145805, 204127, 210875, 331375, 463925, 729025, 1020635, 2319625, 3645125, 5103175, 25515875]

約数ペア:

[(1, 25515875), (5, 5103175), (7, 3645125), (11, 2319625), (25, 1020635), (35, 729025), (55, 463925), (77, 331375), (121, 210875), (125, 204127), (175, 145805), (241, 105875), (275, 92785), (385, 66275), (605, 42175), (847, 30125), (875, 29161), (1205, 21175), (1375, 18557), (1687, 15125), (1925, 13255), (2651, 9625), (3025, 8435), (4235, 6025)]