28773640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102763}}^1$

素因数の和:102781

約数の個数: 32

約数和(自身を含む): 73990080

約数和(自身を除く): 45216440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102763, 205526, 411052, 513815, 719341, 822104, 1027630, 1438682, 2055260, 2877364, 3596705, 4110520, 5754728, 7193410, 14386820, 28773640]

約数ペア:

[(1, 28773640), (2, 14386820), (4, 7193410), (5, 5754728), (7, 4110520), (8, 3596705), (10, 2877364), (14, 2055260), (20, 1438682), (28, 1027630), (35, 822104), (40, 719341), (56, 513815), (70, 411052), (140, 205526), (280, 102763)]