55723780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{8123}}^1$

素因数の和:8153

約数の個数: 48

約数和(自身を含む): 136483200

約数和(自身を除く): 80759420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 8123, 16246, 32492, 40615, 56861, 81230, 113722, 162460, 227444, 284305, 398027, 568610, 796054, 1137220, 1592108, 1990135, 2786189, 3980270, 5572378, 7960540, 11144756, 13930945, 27861890, 55723780]

約数ペア:

[(1, 55723780), (2, 27861890), (4, 13930945), (5, 11144756), (7, 7960540), (10, 5572378), (14, 3980270), (20, 2786189), (28, 1990135), (35, 1592108), (49, 1137220), (70, 796054), (98, 568610), (140, 398027), (196, 284305), (245, 227444), (343, 162460), (490, 113722), (686, 81230), (980, 56861), (1372, 40615), (1715, 32492), (3430, 16246), (6860, 8123)]