13440040

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1213}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 30374280

約数和(自身を除く): 16934240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1213, 1385, 2216, 2426, 2770, 4852, 5540, 6065, 9704, 11080, 12130, 24260, 48520, 336001, 672002, 1344004, 1680005, 2688008, 3360010, 6720020, 13440040]

約数ペア:

[(1, 13440040), (2, 6720020), (4, 3360010), (5, 2688008), (8, 1680005), (10, 1344004), (20, 672002), (40, 336001), (277, 48520), (554, 24260), (1108, 12130), (1213, 11080), (1385, 9704), (2216, 6065), (2426, 5540), (2770, 4852)]