25318040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5231}}^1$

素因数の和:5264

約数の個数: 48

約数和(自身を含む): 62627040

約数和(自身を除く): 37309000

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, 5231, 10462, 20924, 26155, 41848, 52310, 57541, 104620, 115082, 209240, 230164, 287705, 460328, 575410, 632951, 1150820, 1265902, 2301640, 2531804, 3164755, 5063608, 6329510, 12659020, 25318040]

約数ペア:

[(1, 25318040), (2, 12659020), (4, 6329510), (5, 5063608), (8, 3164755), (10, 2531804), (11, 2301640), (20, 1265902), (22, 1150820), (40, 632951), (44, 575410), (55, 460328), (88, 287705), (110, 230164), (121, 209240), (220, 115082), (242, 104620), (440, 57541), (484, 52310), (605, 41848), (968, 26155), (1210, 20924), (2420, 10462), (4840, 5231)]