8429840

素因数分解:

$2^4\times 5^1\times {\mathrm{105373}}^1$

素因数の和:105386

約数の個数: 20

約数和(自身を含む): 19599564

約数和(自身を除く): 11169724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105373, 210746, 421492, 526865, 842984, 1053730, 1685968, 2107460, 4214920, 8429840]

約数ペア:

[(1, 8429840), (2, 4214920), (4, 2107460), (5, 1685968), (8, 1053730), (10, 842984), (16, 526865), (20, 421492), (40, 210746), (80, 105373)]