201531460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775121}}^1$

素因数の和:775143

約数の個数: 24

約数和(自身を含む): 455771736

約数和(自身を除く): 254240276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775121, 1550242, 3100484, 3875605, 7751210, 10076573, 15502420, 20153146, 40306292, 50382865, 100765730, 201531460]

約数ペア:

[(1, 201531460), (2, 100765730), (4, 50382865), (5, 40306292), (10, 20153146), (13, 15502420), (20, 10076573), (26, 7751210), (52, 3875605), (65, 3100484), (130, 1550242), (260, 775121)]