51455860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 113299200

約数和(自身を除く): 61843340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1123, 1580, 2246, 2291, 4492, 4582, 5615, 9164, 11230, 11455, 22460, 22910, 32567, 45820, 65134, 88717, 130268, 162835, 177434, 325670, 354868, 443585, 651340, 887170, 1774340, 2572793, 5145586, 10291172, 12863965, 25727930, 51455860]

約数ペア:

[(1, 51455860), (2, 25727930), (4, 12863965), (5, 10291172), (10, 5145586), (20, 2572793), (29, 1774340), (58, 887170), (79, 651340), (116, 443585), (145, 354868), (158, 325670), (290, 177434), (316, 162835), (395, 130268), (580, 88717), (790, 65134), (1123, 45820), (1580, 32567), (2246, 22910), (2291, 22460), (4492, 11455), (4582, 11230), (5615, 9164)]