7888916920

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{468463}}^1$

素因数の和:468895

約数の個数: 32

約数和(自身を含む): 17792262720

約数和(自身を除く): 9903345800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 468463, 936926, 1873852, 2342315, 3747704, 4684630, 9369260, 18738520, 197222923, 394445846, 788891692, 986114615, 1577783384, 1972229230, 3944458460, 7888916920]

約数ペア:

[(1, 7888916920), (2, 3944458460), (4, 1972229230), (5, 1577783384), (8, 986114615), (10, 788891692), (20, 394445846), (40, 197222923), (421, 18738520), (842, 9369260), (1684, 4684630), (2105, 3747704), (3368, 2342315), (4210, 1873852), (8420, 936926), (16840, 468463)]