25606880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:988

約数の個数: 72

約数和(自身を含む): 65576952

約数和(自身を除く): 39970072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 947, 1040, 1352, 1690, 1894, 2080, 2704, 3380, 3788, 4735, 5408, 6760, 7576, 9470, 12311, 13520, 15152, 18940, 24622, 27040, 30304, 37880, 49244, 61555, 75760, 98488, 123110, 151520, 160043, 196976, 246220, 320086, 393952, 492440, 640172, 800215, 984880, 1280344, 1600430, 1969760, 2560688, 3200860, 5121376, 6401720, 12803440, 25606880]

約数ペア:

[(1, 25606880), (2, 12803440), (4, 6401720), (5, 5121376), (8, 3200860), (10, 2560688), (13, 1969760), (16, 1600430), (20, 1280344), (26, 984880), (32, 800215), (40, 640172), (52, 492440), (65, 393952), (80, 320086), (104, 246220), (130, 196976), (160, 160043), (169, 151520), (208, 123110), (260, 98488), (338, 75760), (416, 61555), (520, 49244), (676, 37880), (845, 30304), (947, 27040), (1040, 24622), (1352, 18940), (1690, 15152), (1894, 13520), (2080, 12311), (2704, 9470), (3380, 7576), (3788, 6760), (4735, 5408)]