2005016030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2549

約数の個数: 64

約数和(自身を含む): 3902774400

約数和(自身を除く): 1897758370

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 89, 115, 178, 205, 230, 410, 445, 890, 943, 1886, 2047, 2389, 3649, 4094, 4715, 4778, 7298, 9430, 10235, 11945, 18245, 20470, 23890, 36490, 54947, 83927, 97949, 109894, 167854, 195898, 212621, 274735, 419635, 425242, 489745, 549470, 839270, 979490, 1063105, 2126210, 2252827, 4505654, 4890283, 8717461, 9780566, 11264135, 17434922, 22528270, 24451415, 43587305, 48902830, 87174610, 200501603, 401003206, 1002508015, 2005016030]

約数ペア:

[(1, 2005016030), (2, 1002508015), (5, 401003206), (10, 200501603), (23, 87174610), (41, 48902830), (46, 43587305), (82, 24451415), (89, 22528270), (115, 17434922), (178, 11264135), (205, 9780566), (230, 8717461), (410, 4890283), (445, 4505654), (890, 2252827), (943, 2126210), (1886, 1063105), (2047, 979490), (2389, 839270), (3649, 549470), (4094, 489745), (4715, 425242), (4778, 419635), (7298, 274735), (9430, 212621), (10235, 195898), (11945, 167854), (18245, 109894), (20470, 97949), (23890, 83927), (36490, 54947)]