26605280

素因数分解:

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

素因数の和:12819

約数の個数: 48

約数和(自身を含む): 67695264

約数和(自身を除く): 41089984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12791, 25582, 51164, 63955, 102328, 127910, 166283, 204656, 255820, 332566, 409312, 511640, 665132, 831415, 1023280, 1330264, 1662830, 2046560, 2660528, 3325660, 5321056, 6651320, 13302640, 26605280]

約数ペア:

[(1, 26605280), (2, 13302640), (4, 6651320), (5, 5321056), (8, 3325660), (10, 2660528), (13, 2046560), (16, 1662830), (20, 1330264), (26, 1023280), (32, 831415), (40, 665132), (52, 511640), (65, 409312), (80, 332566), (104, 255820), (130, 204656), (160, 166283), (208, 127910), (260, 102328), (416, 63955), (520, 51164), (1040, 25582), (2080, 12791)]