82157140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16631}}^1$

素因数の和:16672

約数の個数: 48

約数和(自身を含む): 195592320

約数和(自身を除く): 113435180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 16631, 33262, 66524, 83155, 166310, 216203, 315989, 332620, 432406, 631978, 864812, 1081015, 1263956, 1579945, 2162030, 3159890, 4107857, 4324060, 6319780, 8215714, 16431428, 20539285, 41078570, 82157140]

約数ペア:

[(1, 82157140), (2, 41078570), (4, 20539285), (5, 16431428), (10, 8215714), (13, 6319780), (19, 4324060), (20, 4107857), (26, 3159890), (38, 2162030), (52, 1579945), (65, 1263956), (76, 1081015), (95, 864812), (130, 631978), (190, 432406), (247, 332620), (260, 315989), (380, 216203), (494, 166310), (988, 83155), (1235, 66524), (2470, 33262), (4940, 16631)]