40876420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157217}}^1$

素因数の和:157239

約数の個数: 24

約数和(自身を含む): 92444184

約数和(自身を除く): 51567764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 157217, 314434, 628868, 786085, 1572170, 2043821, 3144340, 4087642, 8175284, 10219105, 20438210, 40876420]

約数ペア:

[(1, 40876420), (2, 20438210), (4, 10219105), (5, 8175284), (10, 4087642), (13, 3144340), (20, 2043821), (26, 1572170), (52, 786085), (65, 628868), (130, 314434), (260, 157217)]