122560040

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5881}}^1$

素因数の和:6413

約数の個数: 32

約数和(自身を含む): 276336360

約数和(自身を除く): 153776320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 5881, 10420, 11762, 20840, 23524, 29405, 47048, 58810, 117620, 235240, 3064001, 6128002, 12256004, 15320005, 24512008, 30640010, 61280020, 122560040]

約数ペア:

[(1, 122560040), (2, 61280020), (4, 30640010), (5, 24512008), (8, 15320005), (10, 12256004), (20, 6128002), (40, 3064001), (521, 235240), (1042, 117620), (2084, 58810), (2605, 47048), (4168, 29405), (5210, 23524), (5881, 20840), (10420, 11762)]