12887480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6079}}^1$

素因数の和:6143

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 16661320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6079, 12158, 24316, 30395, 48632, 60790, 121580, 243160, 322187, 644374, 1288748, 1610935, 2577496, 3221870, 6443740, 12887480]

約数ペア:

[(1, 12887480), (2, 6443740), (4, 3221870), (5, 2577496), (8, 1610935), (10, 1288748), (20, 644374), (40, 322187), (53, 243160), (106, 121580), (212, 60790), (265, 48632), (424, 30395), (530, 24316), (1060, 12158), (2120, 6079)]