16590140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 40115712

約数和(自身を除く): 23525572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 727, 815, 1141, 1454, 1630, 2282, 2908, 3260, 3635, 4564, 5089, 5705, 7270, 10178, 11410, 14540, 20356, 22820, 25445, 50890, 101780, 118501, 237002, 474004, 592505, 829507, 1185010, 1659014, 2370020, 3318028, 4147535, 8295070, 16590140]

約数ペア:

[(1, 16590140), (2, 8295070), (4, 4147535), (5, 3318028), (7, 2370020), (10, 1659014), (14, 1185010), (20, 829507), (28, 592505), (35, 474004), (70, 237002), (140, 118501), (163, 101780), (326, 50890), (652, 25445), (727, 22820), (815, 20356), (1141, 14540), (1454, 11410), (1630, 10178), (2282, 7270), (2908, 5705), (3260, 5089), (3635, 4564)]