12876460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{383}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 27788544

約数和(自身を除く): 14912084

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 383, 410, 766, 820, 1532, 1681, 1915, 3362, 3830, 6724, 7660, 8405, 15703, 16810, 31406, 33620, 62812, 78515, 157030, 314060, 643823, 1287646, 2575292, 3219115, 6438230, 12876460]

約数ペア:

[(1, 12876460), (2, 6438230), (4, 3219115), (5, 2575292), (10, 1287646), (20, 643823), (41, 314060), (82, 157030), (164, 78515), (205, 62812), (383, 33620), (410, 31406), (766, 16810), (820, 15703), (1532, 8405), (1681, 7660), (1915, 6724), (3362, 3830)]