8259940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31769}}^1$

素因数の和:31791

約数の個数: 24

約数和(自身を含む): 18680760

約数和(自身を除く): 10420820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31769, 63538, 127076, 158845, 317690, 412997, 635380, 825994, 1651988, 2064985, 4129970, 8259940]

約数ペア:

[(1, 8259940), (2, 4129970), (4, 2064985), (5, 1651988), (10, 825994), (13, 635380), (20, 412997), (26, 317690), (52, 158845), (65, 127076), (130, 63538), (260, 31769)]