2560688

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 30

約数和(自身を含む): 5378004

約数和(自身を除く): 2817316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 947, 1352, 1894, 2704, 3788, 7576, 12311, 15152, 24622, 49244, 98488, 160043, 196976, 320086, 640172, 1280344, 2560688]

約数ペア:

[(1, 2560688), (2, 1280344), (4, 640172), (8, 320086), (13, 196976), (16, 160043), (26, 98488), (52, 49244), (104, 24622), (169, 15152), (208, 12311), (338, 7576), (676, 3788), (947, 2704), (1352, 1894)]