27719180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81527}}^1$

素因数の和:81553

約数の個数: 24

約数和(自身を含む): 61635168

約数和(自身を除く): 33915988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81527, 163054, 326108, 407635, 815270, 1385959, 1630540, 2771918, 5543836, 6929795, 13859590, 27719180]

約数ペア:

[(1, 27719180), (2, 13859590), (4, 6929795), (5, 5543836), (10, 2771918), (17, 1630540), (20, 1385959), (34, 815270), (68, 407635), (85, 326108), (170, 163054), (340, 81527)]