2156816240

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{52967}}^1$

素因数の和:53489

約数の個数: 40

約数和(自身を含む): 5024544480

約数和(自身を除く): 2867728240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 20360, 40720, 52967, 105934, 211868, 264835, 423736, 529670, 847472, 1059340, 2118680, 4237360, 26960203, 53920406, 107840812, 134801015, 215681624, 269602030, 431363248, 539204060, 1078408120, 2156816240]

約数ペア:

[(1, 2156816240), (2, 1078408120), (4, 539204060), (5, 431363248), (8, 269602030), (10, 215681624), (16, 134801015), (20, 107840812), (40, 53920406), (80, 26960203), (509, 4237360), (1018, 2118680), (2036, 1059340), (2545, 847472), (4072, 529670), (5090, 423736), (8144, 264835), (10180, 211868), (20360, 105934), (40720, 52967)]