28157260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 62647200

約数和(自身を除く): 34489940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1129, 1247, 2258, 2494, 4516, 4988, 5645, 6235, 11290, 12470, 22580, 24940, 32741, 48547, 65482, 97094, 130964, 163705, 194188, 242735, 327410, 485470, 654820, 970940, 1407863, 2815726, 5631452, 7039315, 14078630, 28157260]

約数ペア:

[(1, 28157260), (2, 14078630), (4, 7039315), (5, 5631452), (10, 2815726), (20, 1407863), (29, 970940), (43, 654820), (58, 485470), (86, 327410), (116, 242735), (145, 194188), (172, 163705), (215, 130964), (290, 97094), (430, 65482), (580, 48547), (860, 32741), (1129, 24940), (1247, 22580), (2258, 12470), (2494, 11290), (4516, 6235), (4988, 5645)]