13401580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 15991700

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 269, 470, 530, 538, 940, 1060, 1076, 1345, 2491, 2690, 4982, 5380, 9964, 12455, 12643, 14257, 24910, 25286, 28514, 49820, 50572, 57028, 63215, 71285, 126430, 142570, 252860, 285140, 670079, 1340158, 2680316, 3350395, 6700790, 13401580]

約数ペア:

[(1, 13401580), (2, 6700790), (4, 3350395), (5, 2680316), (10, 1340158), (20, 670079), (47, 285140), (53, 252860), (94, 142570), (106, 126430), (188, 71285), (212, 63215), (235, 57028), (265, 50572), (269, 49820), (470, 28514), (530, 25286), (538, 24910), (940, 14257), (1060, 12643), (1076, 12455), (1345, 9964), (2491, 5380), (2690, 4982)]