2667640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3923}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 6356880

約数和(自身を除く): 3689240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3923, 7846, 15692, 19615, 31384, 39230, 66691, 78460, 133382, 156920, 266764, 333455, 533528, 666910, 1333820, 2667640]

約数ペア:

[(1, 2667640), (2, 1333820), (4, 666910), (5, 533528), (8, 333455), (10, 266764), (17, 156920), (20, 133382), (34, 78460), (40, 66691), (68, 39230), (85, 31384), (136, 19615), (170, 15692), (340, 7846), (680, 3923)]