8787640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12923}}^1$

素因数の和:12951

約数の個数: 32

約数和(自身を含む): 20936880

約数和(自身を除く): 12149240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12923, 25846, 51692, 64615, 103384, 129230, 219691, 258460, 439382, 516920, 878764, 1098455, 1757528, 2196910, 4393820, 8787640]

約数ペア:

[(1, 8787640), (2, 4393820), (4, 2196910), (5, 1757528), (8, 1098455), (10, 878764), (17, 516920), (20, 439382), (34, 258460), (40, 219691), (68, 129230), (85, 103384), (136, 64615), (170, 51692), (340, 25846), (680, 12923)]