8788520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16901}}^1$

素因数の和:16925

約数の個数: 32

約数和(自身を含む): 21296520

約数和(自身を除く): 12508000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16901, 33802, 67604, 84505, 135208, 169010, 219713, 338020, 439426, 676040, 878852, 1098565, 1757704, 2197130, 4394260, 8788520]

約数ペア:

[(1, 8788520), (2, 4394260), (4, 2197130), (5, 1757704), (8, 1098565), (10, 878852), (13, 676040), (20, 439426), (26, 338020), (40, 219713), (52, 169010), (65, 135208), (104, 84505), (130, 67604), (260, 33802), (520, 16901)]