1570780040

素因数分解:

$2^3\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{17681}}^1$

素因数の和:19913

約数の個数: 32

約数和(自身を含む): 3536046360

約数和(自身を除く): 1965266320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2221, 4442, 8884, 11105, 17681, 17768, 22210, 35362, 44420, 70724, 88405, 88840, 141448, 176810, 353620, 707240, 39269501, 78539002, 157078004, 196347505, 314156008, 392695010, 785390020, 1570780040]

約数ペア:

[(1, 1570780040), (2, 785390020), (4, 392695010), (5, 314156008), (8, 196347505), (10, 157078004), (20, 78539002), (40, 39269501), (2221, 707240), (4442, 353620), (8884, 176810), (11105, 141448), (17681, 88840), (17768, 88405), (22210, 70724), (35362, 44420)]