25644580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 59122224

約数和(自身を除く): 33477644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 1861, 2756, 3445, 3722, 6890, 7444, 9305, 13780, 18610, 24193, 37220, 48386, 96772, 98633, 120965, 197266, 241930, 394532, 483860, 493165, 986330, 1282229, 1972660, 2564458, 5128916, 6411145, 12822290, 25644580]

約数ペア:

[(1, 25644580), (2, 12822290), (4, 6411145), (5, 5128916), (10, 2564458), (13, 1972660), (20, 1282229), (26, 986330), (52, 493165), (53, 483860), (65, 394532), (106, 241930), (130, 197266), (212, 120965), (260, 98633), (265, 96772), (530, 48386), (689, 37220), (1060, 24193), (1378, 18610), (1861, 13780), (2756, 9305), (3445, 7444), (3722, 6890)]