51947090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 101046960

約数和(自身を除く): 49099870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 977, 1954, 2045, 4090, 4885, 5317, 9770, 10634, 12701, 25402, 26585, 53170, 63505, 127010, 399593, 799186, 1997965, 3995930, 5194709, 10389418, 25973545, 51947090]

約数ペア:

[(1, 51947090), (2, 25973545), (5, 10389418), (10, 5194709), (13, 3995930), (26, 1997965), (65, 799186), (130, 399593), (409, 127010), (818, 63505), (977, 53170), (1954, 26585), (2045, 25402), (4090, 12701), (4885, 10634), (5317, 9770)]