51731260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7541}}^1$

素因数の和:7571

約数の個数: 48

約数和(自身を含む): 126705600

約数和(自身を除く): 74974340

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, 7541, 15082, 30164, 37705, 52787, 75410, 105574, 150820, 211148, 263935, 369509, 527870, 739018, 1055740, 1478036, 1847545, 2586563, 3695090, 5173126, 7390180, 10346252, 12932815, 25865630, 51731260]

約数ペア:

[(1, 51731260), (2, 25865630), (4, 12932815), (5, 10346252), (7, 7390180), (10, 5173126), (14, 3695090), (20, 2586563), (28, 1847545), (35, 1478036), (49, 1055740), (70, 739018), (98, 527870), (140, 369509), (196, 263935), (245, 211148), (343, 150820), (490, 105574), (686, 75410), (980, 52787), (1372, 37705), (1715, 30164), (3430, 15082), (6860, 7541)]