28815340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84751}}^1$

素因数の和:84777

約数の個数: 24

約数和(自身を含む): 64072512

約数和(自身を除く): 35257172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84751, 169502, 339004, 423755, 847510, 1440767, 1695020, 2881534, 5763068, 7203835, 14407670, 28815340]

約数ペア:

[(1, 28815340), (2, 14407670), (4, 7203835), (5, 5763068), (10, 2881534), (17, 1695020), (20, 1440767), (34, 847510), (68, 423755), (85, 339004), (170, 169502), (340, 84751)]