2489720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 5691600

約数和(自身を除く): 3201880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 929, 1340, 1858, 2680, 3716, 4645, 7432, 9290, 18580, 37160, 62243, 124486, 248972, 311215, 497944, 622430, 1244860, 2489720]

約数ペア:

[(1, 2489720), (2, 1244860), (4, 622430), (5, 497944), (8, 311215), (10, 248972), (20, 124486), (40, 62243), (67, 37160), (134, 18580), (268, 9290), (335, 7432), (536, 4645), (670, 3716), (929, 2680), (1340, 1858)]