28718860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35023}}^1$

素因数の和:35073

約数の個数: 24

約数和(自身を含む): 61782336

約数和(自身を除く): 33063476

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 35023, 70046, 140092, 175115, 350230, 700460, 1435943, 2871886, 5743772, 7179715, 14359430, 28718860]

約数ペア:

[(1, 28718860), (2, 14359430), (4, 7179715), (5, 5743772), (10, 2871886), (20, 1435943), (41, 700460), (82, 350230), (164, 175115), (205, 140092), (410, 70046), (820, 35023)]