56249180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3229}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 129148320

約数和(自身を除く): 72899140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3229, 3484, 4355, 6458, 8710, 12916, 16145, 17420, 32290, 41977, 64580, 83954, 167908, 209885, 216343, 419770, 432686, 839540, 865372, 1081715, 2163430, 2812459, 4326860, 5624918, 11249836, 14062295, 28124590, 56249180]

約数ペア:

[(1, 56249180), (2, 28124590), (4, 14062295), (5, 11249836), (10, 5624918), (13, 4326860), (20, 2812459), (26, 2163430), (52, 1081715), (65, 865372), (67, 839540), (130, 432686), (134, 419770), (260, 216343), (268, 209885), (335, 167908), (670, 83954), (871, 64580), (1340, 41977), (1742, 32290), (3229, 17420), (3484, 16145), (4355, 12916), (6458, 8710)]