980764720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{943043}}^1$

素因数の和:943069

約数の個数: 40

約数和(自身を含む): 2455686576

約数和(自身を除く): 1474921856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 943043, 1886086, 3772172, 4715215, 7544344, 9430430, 12259559, 15088688, 18860860, 24519118, 37721720, 49038236, 61297795, 75443440, 98076472, 122595590, 196152944, 245191180, 490382360, 980764720]

約数ペア:

[(1, 980764720), (2, 490382360), (4, 245191180), (5, 196152944), (8, 122595590), (10, 98076472), (13, 75443440), (16, 61297795), (20, 49038236), (26, 37721720), (40, 24519118), (52, 18860860), (65, 15088688), (80, 12259559), (104, 9430430), (130, 7544344), (208, 4715215), (260, 3772172), (520, 1886086), (1040, 943043)]