54654340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210209}}^1$

素因数の和:210231

約数の個数: 24

約数和(自身を含む): 123603480

約数和(自身を除く): 68949140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 210209, 420418, 840836, 1051045, 2102090, 2732717, 4204180, 5465434, 10930868, 13663585, 27327170, 54654340]

約数ペア:

[(1, 54654340), (2, 27327170), (4, 13663585), (5, 10930868), (10, 5465434), (13, 4204180), (20, 2732717), (26, 2102090), (52, 1051045), (65, 840836), (130, 420418), (260, 210209)]