2113708760

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{80923}}^1$

素因数の和:81587

約数の個数: 32

約数和(自身を含む): 4763186640

約数和(自身を除く): 2649477880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 80923, 161846, 323692, 404615, 647384, 809230, 1618460, 3236920, 52842719, 105685438, 211370876, 264213595, 422741752, 528427190, 1056854380, 2113708760]

約数ペア:

[(1, 2113708760), (2, 1056854380), (4, 528427190), (5, 422741752), (8, 264213595), (10, 211370876), (20, 105685438), (40, 52842719), (653, 3236920), (1306, 1618460), (2612, 809230), (3265, 647384), (5224, 404615), (6530, 323692), (13060, 161846), (26120, 80923)]