2021290160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{1609}}^1$

素因数の和:2046

約数の個数: 80

約数和(自身を含む): 4829690880

約数和(自身を除く): 2808400720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 383, 410, 656, 766, 820, 1532, 1609, 1640, 1915, 3064, 3218, 3280, 3830, 6128, 6436, 7660, 8045, 12872, 15320, 15703, 16090, 25744, 30640, 31406, 32180, 62812, 64360, 65969, 78515, 125624, 128720, 131938, 157030, 251248, 263876, 314060, 329845, 527752, 616247, 628120, 659690, 1055504, 1232494, 1256240, 1319380, 2464988, 2638760, 3081235, 4929976, 5277520, 6162470, 9859952, 12324940, 24649880, 25266127, 49299760, 50532254, 101064508, 126330635, 202129016, 252661270, 404258032, 505322540, 1010645080, 2021290160]

約数ペア:

[(1, 2021290160), (2, 1010645080), (4, 505322540), (5, 404258032), (8, 252661270), (10, 202129016), (16, 126330635), (20, 101064508), (40, 50532254), (41, 49299760), (80, 25266127), (82, 24649880), (164, 12324940), (205, 9859952), (328, 6162470), (383, 5277520), (410, 4929976), (656, 3081235), (766, 2638760), (820, 2464988), (1532, 1319380), (1609, 1256240), (1640, 1232494), (1915, 1055504), (3064, 659690), (3218, 628120), (3280, 616247), (3830, 527752), (6128, 329845), (6436, 314060), (7660, 263876), (8045, 251248), (12872, 157030), (15320, 131938), (15703, 128720), (16090, 125624), (25744, 78515), (30640, 65969), (31406, 64360), (32180, 62812)]