13302640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12791}}^1$

素因数の和:12817

約数の個数: 40

約数和(自身を含む): 33310368

約数和(自身を除く): 20007728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12791, 25582, 51164, 63955, 102328, 127910, 166283, 204656, 255820, 332566, 511640, 665132, 831415, 1023280, 1330264, 1662830, 2660528, 3325660, 6651320, 13302640]

約数ペア:

[(1, 13302640), (2, 6651320), (4, 3325660), (5, 2660528), (8, 1662830), (10, 1330264), (13, 1023280), (16, 831415), (20, 665132), (26, 511640), (40, 332566), (52, 255820), (65, 204656), (80, 166283), (104, 127910), (130, 102328), (208, 63955), (260, 51164), (520, 25582), (1040, 12791)]