8279960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15923}}^1$

素因数の和:15947

約数の個数: 32

約数和(自身を含む): 20064240

約数和(自身を除く): 11784280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15923, 31846, 63692, 79615, 127384, 159230, 206999, 318460, 413998, 636920, 827996, 1034995, 1655992, 2069990, 4139980, 8279960]

約数ペア:

[(1, 8279960), (2, 4139980), (4, 2069990), (5, 1655992), (8, 1034995), (10, 827996), (13, 636920), (20, 413998), (26, 318460), (40, 206999), (52, 159230), (65, 127384), (104, 79615), (130, 63692), (260, 31846), (520, 15923)]