28595120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3539}}^1$

素因数の和:3653

約数の個数: 40

約数和(自身を含む): 67160880

約数和(自身を除く): 38565760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3539, 4040, 7078, 8080, 14156, 17695, 28312, 35390, 56624, 70780, 141560, 283120, 357439, 714878, 1429756, 1787195, 2859512, 3574390, 5719024, 7148780, 14297560, 28595120]

約数ペア:

[(1, 28595120), (2, 14297560), (4, 7148780), (5, 5719024), (8, 3574390), (10, 2859512), (16, 1787195), (20, 1429756), (40, 714878), (80, 357439), (101, 283120), (202, 141560), (404, 70780), (505, 56624), (808, 35390), (1010, 28312), (1616, 17695), (2020, 14156), (3539, 8080), (4040, 7078)]