4518372920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{18899}}^1$

素因数の和:19092

約数の個数: 64

約数和(自身を含む): 10478160000

約数和(自身を除く): 5959787080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 556, 695, 860, 1112, 1390, 1720, 2780, 5560, 5977, 11954, 18899, 23908, 29885, 37798, 47816, 59770, 75596, 94495, 119540, 151192, 188990, 239080, 377980, 755960, 812657, 1625314, 2626961, 3250628, 4063285, 5253922, 6501256, 8126570, 10507844, 13134805, 16253140, 21015688, 26269610, 32506280, 52539220, 105078440, 112959323, 225918646, 451837292, 564796615, 903674584, 1129593230, 2259186460, 4518372920]

約数ペア:

[(1, 4518372920), (2, 2259186460), (4, 1129593230), (5, 903674584), (8, 564796615), (10, 451837292), (20, 225918646), (40, 112959323), (43, 105078440), (86, 52539220), (139, 32506280), (172, 26269610), (215, 21015688), (278, 16253140), (344, 13134805), (430, 10507844), (556, 8126570), (695, 6501256), (860, 5253922), (1112, 4063285), (1390, 3250628), (1720, 2626961), (2780, 1625314), (5560, 812657), (5977, 755960), (11954, 377980), (18899, 239080), (23908, 188990), (29885, 151192), (37798, 119540), (47816, 94495), (59770, 75596)]