13451480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6863}}^1$

素因数の和:6888

約数の個数: 48

約数和(自身を含む): 35212320

約数和(自身を除く): 21760840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6863, 13726, 27452, 34315, 48041, 54904, 68630, 96082, 137260, 192164, 240205, 274520, 336287, 384328, 480410, 672574, 960820, 1345148, 1681435, 1921640, 2690296, 3362870, 6725740, 13451480]

約数ペア:

[(1, 13451480), (2, 6725740), (4, 3362870), (5, 2690296), (7, 1921640), (8, 1681435), (10, 1345148), (14, 960820), (20, 672574), (28, 480410), (35, 384328), (40, 336287), (49, 274520), (56, 240205), (70, 192164), (98, 137260), (140, 96082), (196, 68630), (245, 54904), (280, 48041), (392, 34315), (490, 27452), (980, 13726), (1960, 6863)]