25666520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5303}}^1$

素因数の和:5336

約数の個数: 48

約数和(自身を含む): 63488880

約数和(自身を除く): 37822360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5303, 10606, 21212, 26515, 42424, 53030, 58333, 106060, 116666, 212120, 233332, 291665, 466664, 583330, 641663, 1166660, 1283326, 2333320, 2566652, 3208315, 5133304, 6416630, 12833260, 25666520]

約数ペア:

[(1, 25666520), (2, 12833260), (4, 6416630), (5, 5133304), (8, 3208315), (10, 2566652), (11, 2333320), (20, 1283326), (22, 1166660), (40, 641663), (44, 583330), (55, 466664), (88, 291665), (110, 233332), (121, 212120), (220, 116666), (242, 106060), (440, 58333), (484, 53030), (605, 42424), (968, 26515), (1210, 21212), (2420, 10606), (4840, 5303)]