25327225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 14670215

約数列:

[1, 5, 7, 11, 25, 35, 55, 59, 77, 175, 223, 275, 295, 385, 413, 649, 1115, 1475, 1561, 1925, 2065, 2453, 3245, 4543, 5575, 7805, 10325, 12265, 13157, 16225, 17171, 22715, 39025, 61325, 65785, 85855, 92099, 113575, 144727, 328925, 429275, 460495, 723635, 1013089, 2302475, 3618175, 5065445, 25327225]

約数ペア:

[(1, 25327225), (5, 5065445), (7, 3618175), (11, 2302475), (25, 1013089), (35, 723635), (55, 460495), (59, 429275), (77, 328925), (175, 144727), (223, 113575), (275, 92099), (295, 85855), (385, 65785), (413, 61325), (649, 39025), (1115, 22715), (1475, 17171), (1561, 16225), (1925, 13157), (2065, 12265), (2453, 10325), (3245, 7805), (4543, 5575)]