16561840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9001}}^1$

素因数の和:9037

約数の個数: 40

約数和(自身を含む): 40184928

約数和(自身を除く): 23623088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9001, 18002, 36004, 45005, 72008, 90010, 144016, 180020, 207023, 360040, 414046, 720080, 828092, 1035115, 1656184, 2070230, 3312368, 4140460, 8280920, 16561840]

約数ペア:

[(1, 16561840), (2, 8280920), (4, 4140460), (5, 3312368), (8, 2070230), (10, 1656184), (16, 1035115), (20, 828092), (23, 720080), (40, 414046), (46, 360040), (80, 207023), (92, 180020), (115, 144016), (184, 90010), (230, 72008), (368, 45005), (460, 36004), (920, 18002), (1840, 9001)]