17439920

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1077

約数の個数: 40

約数和(自身を含む): 40745904

約数和(自身を除く): 23305984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 787, 1108, 1385, 1574, 2216, 2770, 3148, 3935, 4432, 5540, 6296, 7870, 11080, 12592, 15740, 22160, 31480, 62960, 217999, 435998, 871996, 1089995, 1743992, 2179990, 3487984, 4359980, 8719960, 17439920]

約数ペア:

[(1, 17439920), (2, 8719960), (4, 4359980), (5, 3487984), (8, 2179990), (10, 1743992), (16, 1089995), (20, 871996), (40, 435998), (80, 217999), (277, 62960), (554, 31480), (787, 22160), (1108, 15740), (1385, 12592), (1574, 11080), (2216, 7870), (2770, 6296), (3148, 5540), (3935, 4432)]