1115480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 2548800

約数和(自身を除く): 1433320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 353, 395, 632, 706, 790, 1412, 1580, 1765, 2824, 3160, 3530, 7060, 14120, 27887, 55774, 111548, 139435, 223096, 278870, 557740, 1115480]

約数ペア:

[(1, 1115480), (2, 557740), (4, 278870), (5, 223096), (8, 139435), (10, 111548), (20, 55774), (40, 27887), (79, 14120), (158, 7060), (316, 3530), (353, 3160), (395, 2824), (632, 1765), (706, 1580), (790, 1412)]