30805640

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{929}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 69471000

約数和(自身を除く): 38665360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 929, 1658, 1858, 3316, 3716, 4145, 4645, 6632, 7432, 8290, 9290, 16580, 18580, 33160, 37160, 770141, 1540282, 3080564, 3850705, 6161128, 7701410, 15402820, 30805640]

約数ペア:

[(1, 30805640), (2, 15402820), (4, 7701410), (5, 6161128), (8, 3850705), (10, 3080564), (20, 1540282), (40, 770141), (829, 37160), (929, 33160), (1658, 18580), (1858, 16580), (3316, 9290), (3716, 8290), (4145, 7432), (4645, 6632)]