40354340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155209}}^1$

素因数の和:155231

約数の個数: 24

約数和(自身を含む): 91263480

約数和(自身を除く): 50909140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155209, 310418, 620836, 776045, 1552090, 2017717, 3104180, 4035434, 8070868, 10088585, 20177170, 40354340]

約数ペア:

[(1, 40354340), (2, 20177170), (4, 10088585), (5, 8070868), (10, 4035434), (13, 3104180), (20, 2017717), (26, 1552090), (52, 776045), (65, 620836), (130, 310418), (260, 155209)]