25503275

素因数分解:

$5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 37319040

約数和(自身を除く): 11815765

約数列:

[1, 5, 7, 25, 35, 49, 109, 175, 191, 245, 545, 763, 955, 1225, 1337, 2725, 3815, 4775, 5341, 6685, 9359, 19075, 20819, 26705, 33425, 46795, 104095, 133525, 145733, 233975, 520475, 728665, 1020131, 3643325, 5100655, 25503275]

約数ペア:

[(1, 25503275), (5, 5100655), (7, 3643325), (25, 1020131), (35, 728665), (49, 520475), (109, 233975), (175, 145733), (191, 133525), (245, 104095), (545, 46795), (763, 33425), (955, 26705), (1225, 20819), (1337, 19075), (2725, 9359), (3815, 6685), (4775, 5341)]