242548540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{932879}}^1$

素因数の和:932901

約数の個数: 24

約数和(自身を含む): 548533440

約数和(自身を除く): 305984900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 932879, 1865758, 3731516, 4664395, 9328790, 12127427, 18657580, 24254854, 48509708, 60637135, 121274270, 242548540]

約数ペア:

[(1, 242548540), (2, 121274270), (4, 60637135), (5, 48509708), (10, 24254854), (13, 18657580), (20, 12127427), (26, 9328790), (52, 4664395), (65, 3731516), (130, 1865758), (260, 932879)]