55438360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81527}}^1$

素因数の和:81555

約数の個数: 32

約数和(自身を含む): 132075360

約数和(自身を除く): 76637000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81527, 163054, 326108, 407635, 652216, 815270, 1385959, 1630540, 2771918, 3261080, 5543836, 6929795, 11087672, 13859590, 27719180, 55438360]

約数ペア:

[(1, 55438360), (2, 27719180), (4, 13859590), (5, 11087672), (8, 6929795), (10, 5543836), (17, 3261080), (20, 2771918), (34, 1630540), (40, 1385959), (68, 815270), (85, 652216), (136, 407635), (170, 326108), (340, 163054), (680, 81527)]