11954840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 27883440

約数和(自身を除く): 15928600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 311, 620, 622, 961, 1240, 1244, 1555, 1922, 2488, 3110, 3844, 4805, 6220, 7688, 9610, 9641, 12440, 19220, 19282, 38440, 38564, 48205, 77128, 96410, 192820, 298871, 385640, 597742, 1195484, 1494355, 2390968, 2988710, 5977420, 11954840]

約数ペア:

[(1, 11954840), (2, 5977420), (4, 2988710), (5, 2390968), (8, 1494355), (10, 1195484), (20, 597742), (31, 385640), (40, 298871), (62, 192820), (124, 96410), (155, 77128), (248, 48205), (310, 38564), (311, 38440), (620, 19282), (622, 19220), (961, 12440), (1240, 9641), (1244, 9610), (1555, 7688), (1922, 6220), (2488, 4805), (3110, 3844)]