1291254014060

素因数分解:

$2^2\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{20686543}}^1$

素因数の和:20689673

約数の個数: 24

約数和(自身を含む): 2712502395456

約数和(自身を除く): 1421248381396

約数列:

[1, 2, 4, 5, 10, 20, 3121, 6242, 12484, 15605, 31210, 62420, 20686543, 41373086, 82746172, 103432715, 206865430, 413730860, 64562700703, 129125401406, 258250802812, 322813503515, 645627007030, 1291254014060]

約数ペア:

[(1, 1291254014060), (2, 645627007030), (4, 322813503515), (5, 258250802812), (10, 129125401406), (20, 64562700703), (3121, 413730860), (6242, 206865430), (12484, 103432715), (15605, 82746172), (31210, 41373086), (62420, 20686543)]