1971004040

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{204461}}^1$

素因数の和:204713

約数の個数: 32

約数和(自身を含む): 4453182360

約数和(自身を除く): 2482178320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 204461, 408922, 817844, 1022305, 1635688, 2044610, 4089220, 8178440, 49275101, 98550202, 197100404, 246375505, 394200808, 492751010, 985502020, 1971004040]

約数ペア:

[(1, 1971004040), (2, 985502020), (4, 492751010), (5, 394200808), (8, 246375505), (10, 197100404), (20, 98550202), (40, 49275101), (241, 8178440), (482, 4089220), (964, 2044610), (1205, 1635688), (1928, 1022305), (2410, 817844), (4820, 408922), (9640, 204461)]