25469405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 10092835

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 503, 533, 779, 1235, 2515, 2665, 3895, 6539, 9557, 10127, 20623, 32695, 47785, 50635, 103115, 124241, 268099, 391837, 621205, 1340495, 1959185, 5093881, 25469405]

約数ペア:

[(1, 25469405), (5, 5093881), (13, 1959185), (19, 1340495), (41, 621205), (65, 391837), (95, 268099), (205, 124241), (247, 103115), (503, 50635), (533, 47785), (779, 32695), (1235, 20623), (2515, 10127), (2665, 9557), (3895, 6539)]