30871880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59369}}^1$

素因数の和:59393

約数の個数: 32

約数和(自身を含む): 74806200

約数和(自身を除く): 43934320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59369, 118738, 237476, 296845, 474952, 593690, 771797, 1187380, 1543594, 2374760, 3087188, 3858985, 6174376, 7717970, 15435940, 30871880]

約数ペア:

[(1, 30871880), (2, 15435940), (4, 7717970), (5, 6174376), (8, 3858985), (10, 3087188), (13, 2374760), (20, 1543594), (26, 1187380), (40, 771797), (52, 593690), (65, 474952), (104, 296845), (130, 237476), (260, 118738), (520, 59369)]