16489280

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^2$

素因数の和:471

約数の個数: 42

約数和(自身を含む): 39438834

約数和(自身を除く): 22949554

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 320, 454, 908, 1135, 1816, 2270, 3632, 4540, 7264, 9080, 14528, 18160, 36320, 51529, 72640, 103058, 206116, 257645, 412232, 515290, 824464, 1030580, 1648928, 2061160, 3297856, 4122320, 8244640, 16489280]

約数ペア:

[(1, 16489280), (2, 8244640), (4, 4122320), (5, 3297856), (8, 2061160), (10, 1648928), (16, 1030580), (20, 824464), (32, 515290), (40, 412232), (64, 257645), (80, 206116), (160, 103058), (227, 72640), (320, 51529), (454, 36320), (908, 18160), (1135, 14528), (1816, 9080), (2270, 7264), (3632, 4540)]